Horn Davis Overholtzer Bridge — a covered bridge in Washington County, Pennsylvania — is a lesser-known subject for landscape photographers. The nearest town is Maple Glen, about 7.4 km (4.6 mi) away (Horn Davis Overholtzer Bridge lies W of town). It is listed on the National Register of Historic Places.
The Horn or Horn Davis or Overholtzer Bridge was a historic wooden covered bridge located in Morgan Township in Greene County and West Bethlehem Township in Washington County, Pennsylvania. It was listed on the National Register of Historic Places in 1979. and was designated as a historic bridge by the Washington County History & Landmarks Foundation. The bridge collapsed in March 1994, and has not been replaced or rebuilt.From the Wikipedia article “Horn Davis Overholtzer Bridge”, licensed under CC BY-SA 4.0.
Sunrise & sunset directions
At Horn Davis Overholtzer Bridge the sunrise point swings a long way through the year: about 58° (ENE) at the June solstice and 121° (ESE) in late December. Sunset moves from 302° (WNW) in June to 240° (WSW) in December, and the midday sun climbs to 73° in summer but only 27° in winter.
| Date | Sunrise | Azimuth | Sunset | Azimuth | Noon sun | Daylight |
|---|---|---|---|---|---|---|
| March equinox (Mar 20) | 7:25 AM | 90° E | 7:32 PM | 271° W | 50° | 12h 08m |
| June solstice (Jun 21) | 5:52 AM | 58° ENE | 8:53 PM | 302° WNW | 73° | 15h 01m |
| September equinox (Sep 22) | 7:08 AM | 89° E | 7:19 PM | 271° W | 50° | 12h 11m |
| December solstice (Dec 21) | 7:39 AM | 121° ESE | 4:59 PM | 240° WSW | 27° | 9h 19m |
Azimuth is measured clockwise from true north (90° = east, 270° = west). Computed for 2026; values change by less than a degree from year to year.
Golden hour & blue hour by month
Covered bridges look their best with soft side-light and a backdrop of fall color, snow or fresh spring green.
| Month (15th) | Blue hour starts | Sunrise | Golden hour ends | Golden hour starts | Sunset | Blue hour ends | Daylight |
|---|---|---|---|---|---|---|---|
| January | 7:11 AM | 7:41 AM | 8:22 AM | 4:38 PM | 5:20 PM | 5:49 PM | 9h 39m |
| February | 6:46 AM | 7:14 AM | 7:52 AM | 5:19 PM | 5:56 PM | 6:24 PM | 10h 42m |
| March | 7:06 AM | 7:33 AM | 8:09 AM | 6:51 PM | 7:27 PM | 7:54 PM | 11h 55m |
| April | 6:15 AM | 6:43 AM | 7:19 AM | 7:22 PM | 7:59 PM | 8:27 PM | 13h 16m |
| May | 5:35 AM | 6:06 AM | 6:45 AM | 7:50 PM | 8:29 PM | 9:00 PM | 14h 23m |
| June | 5:19 AM | 5:52 AM | 6:32 AM | 8:11 PM | 8:51 PM | 9:24 PM | 15h 00m |
| July | 5:33 AM | 6:05 AM | 6:44 AM | 8:09 PM | 8:49 PM | 9:21 PM | 14h 45m |
| August | 6:04 AM | 6:33 AM | 7:10 AM | 7:42 PM | 8:19 PM | 8:48 PM | 13h 46m |
| September | 6:35 AM | 7:02 AM | 7:38 AM | 6:55 PM | 7:31 PM | 7:58 PM | 12h 29m |
| October | 7:04 AM | 7:31 AM | 8:08 AM | 6:05 PM | 6:42 PM | 7:09 PM | 11h 11m |
| November | 6:37 AM | 7:06 AM | 7:46 AM | 4:25 PM | 5:05 PM | 5:34 PM | 9h 59m |
| December | 7:05 AM | 7:36 AM | 8:19 AM | 4:14 PM | 4:57 PM | 5:27 PM | 9h 21m |
Local time (America/New York), including daylight saving time. Golden hour runs from about −4° to +6° solar altitude, so the morning golden hour begins during blue hour, before sunrise.
Milky Way & night sky
From Horn Davis Overholtzer Bridge, the Milky Way core is visible in a dark sky from March through September. June gives the longest window (about 4.8 hours on a moonless night), and the core peaks around 21° above the southern horizon. Our light-pollution model puts the sky at about Bortle 4 (rural / suburban transition), good enough for detailed Milky Way images.
| Month | Core visible (15th) | Hours | Max altitude | Direction |
|---|---|---|---|---|
| January | Below 10° in darkness | — | -3° | — |
| February | 5:27 AM – 5:37 AM | 0.2 | 11° | SE → SE |
| March | 4:37 AM – 5:57 AM | 1.3 | 18° | SE → SSE |
| April | 2:35 AM – 4:55 AM | 2.3 | 21° | SE → S |
| May | 12:39 AM – 4:09 AM | 3.5 | 21° | SE → S |
| June | 10:54 PM – 3:44 AM | 4.8 | 21° | SE → SSW |
| July | 10:46 PM – 2:16 AM | 3.5 | 21° | S → SW |
| August | 10:00 PM – 12:20 AM | 2.3 | 21° | S → SW |
| September | 9:03 PM – 10:13 PM | 1.2 | 18° | SSW → SW |
| October | 8:12 PM – 8:22 PM | 0.2 | 11° | SW → SW |
| November | Below 10° in darkness | — | 0° | — |
| December | Below 10° in darkness | — | -19° | — |
Window when the galactic core is at least 10° high during astronomical darkness on the 15th of each month. Pick nights within a few days of the new moon. Plan exact nights with the Milky Way planner.
Estimated sky darkness: 4 Bortle 4 — Rural / suburban transition. Light domes are visible in several directions; the Milky Way is clear but lacks detail near the horizon. Modeled zenith brightness ≈ 20.74 mag/arcsec². Aurora needs roughly Kp 6.5+ to show low on the northern horizon here.
Weather & best season
Long-term NASA satellite data for this area show September as the clearest month (about 51% average cloud cover) and December as the cloudiest (80%). July is the warmest month and January the coldest, which matters for gear, snow access and how long batteries last at night.
Average cloud cover (%)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High °F | 66 | 71 | 82 | 83 | 90 | 99 | 101 | 100 | 97 | 91 | 75 | 67 |
| Low °F | -10 | -5 | 0 | 20 | 23 | 36 | 47 | 46 | 38 | 24 | 10 | 2 |
| Precip. (in) | 2.6 | 2.8 | 3.0 | 3.4 | 3.6 | 4.1 | 3.4 | 3.0 | 3.4 | 3.2 | 2.6 | 2.9 |
Monthly climatology for the surrounding 1° grid cell from NASA POWER (MERRA-2). Mountain sites can be colder and cloudier than the cell average.
Photography tips for this covered bridge
- Overcast days keep contrast low between the dark interior and the bright surroundings.
- Autumn foliage peaks are the most popular time — visit on weekdays to avoid crowds.
- Shoot from the stream bank to show the bridge, the water and its reflection together.
- Inside the bridge, the timber trusses make strong symmetrical compositions — use a tripod for long exposures.
- Many covered bridges still carry traffic; stay off the roadway and watch for vehicles.
- Bring a spare battery — cold weather and long exposures drain them fast.
Season: Peak fall color is the classic season; winter snow and spring blossoms are less crowded alternatives.
Suggested gear: Wide-angle lens, Tripod, Polarizer for foliage. Work out exposures with the depth of field, ND filter and NPF rule calculators.
Nearby photo spots
Other locations within 25 km of Horn Davis Overholtzer Bridge, closest first.
Covered Bridge
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Covered Bridge
Scenic Viewpoint
Covered BridgeFAQ
When is the best time to photograph Horn Davis Overholtzer Bridge?
What time is golden hour at Horn Davis Overholtzer Bridge?
Where does the sun rise and set at Horn Davis Overholtzer Bridge?
Can you see the Milky Way from Horn Davis Overholtzer Bridge?
Do you need a permit to photograph at Horn Davis Overholtzer Bridge?
How far is Horn Davis Overholtzer Bridge from Maple Glen?
Sources
Location data: Wikidata, Wikipedia. Sun, moon and Milky Way times are computed by LWPhoto Atlas for 2026. Climate: NASA POWER. Sky darkness is a population-based estimate (Walker's law), not a measurement. See data sources & licenses.