US Bridges

Washington Lane over Frog Hollow Creek

Fair

Montgomery County, Pennsylvania · 1 MI NE of SR0611 32C11 · Structure no. 000000000027997

Built
1887
138 years old, rebuilt 1931
Condition
Fair
inspected April 2024
Type
Arch - Deck
Masonry
Length
28 ft
1 main span
Daily traffic
6,623
2019 count
Owner
County
County Highway Agency

About this bridge

Washington Lane over Frog Hollow Creek is a masonry arch - deck carrying Washington Lane over Frog Hollow Creek in Montgomery County, Pennsylvania. It was built in 1887 and reconstructed in 1931, so it is 138 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,623 vehicles a day, roughly 2% of them trucks, projected to reach 6,558 by 2018. The structure is 28 ft (8.5 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWashington Lane
CrossesFrog Hollow Creek
Location1 MI NE of SR0611 32C11
RouteCity Street 0
Coordinates40.1035, -75.1145
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width38 ft (11.7 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,623 (2019)
Projected traffic6,558 by 2018
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$366,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington Lane over Frog Hollow Creek built?

It was built in 1887, making it 138 years old in 2025. It was reconstructed in 1931.

What condition is Washington Lane over Frog Hollow Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Washington Lane over Frog Hollow Creek carry?

About 6,623 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Washington Lane over Frog Hollow Creek?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 38 ft wide.

Who owns Washington Lane over Frog Hollow Creek?

It is owned by the County Highway Agency.