US Bridges

Green Lane Road over Deep Creek

PoorPosted for load

Montgomery County, Pennsylvania · 1.0 MI NW of SR29 2917-B7 · Structure no. 000000000027943

Built
1929
96 years old, rebuilt 1941
Condition
Poor
inspected September 2024
Type
Tee Beam
Concrete
Length
35 ft
1 main span
Daily traffic
597
2019 count
Owner
County
County Highway Agency

About this bridge

Green Lane Road over Deep Creek is a concrete tee beam carrying Green Lane Road over Deep Creek in Montgomery County, Pennsylvania. It was built in 1929 and reconstructed in 1941, so it is 96 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 597 vehicles a day, projected to reach 573 by 2018. The structure is 35 ft (10.7 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGreen Lane Road
CrossesDeep Creek
Location1.0 MI NW of SR29 2917-B7
RouteCounty Highway 0
Coordinates40.33751, -75.4933
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating28 US tons
Inventory rating17 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic597 (2019)
Projected traffic573 by 2018
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Green Lane Road over Deep Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1941.

What condition is Green Lane Road over Deep Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does Green Lane Road over Deep Creek carry?

About 597 vehicles per day (2019 count).

How long is Green Lane Road over Deep Creek?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 42 ft wide.

Who owns Green Lane Road over Deep Creek?

It is owned by the County Highway Agency.