US Bridges

Washington Lane over Rock Park Creek

Fair

Montgomery County, Pennsylvania · Cheltenham 3370G8 · Structure no. 000000000027678

Built
1932
93 years old, rebuilt 1958
Condition
Fair
inspected June 2024
Type
Arch - Deck
Concrete
Length
25 ft
1 main span
Daily traffic
13,466
2024 count
Owner
State
State Highway Agency

About this bridge

Washington Lane over Rock Park Creek is a concrete arch - deck carrying Washington Lane over Rock Park Creek in Montgomery County, Pennsylvania. It was built in 1932 and reconstructed in 1958, so it is 93 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 13,466 vehicles a day, roughly 2% of them trucks, projected to reach 19,826 by 2032. The structure is 25 ft (7.6 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWashington Lane
CrossesRock Park Creek
LocationCheltenham 3370G8
RouteState Highway 0
Coordinates40.08104, -75.14479
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating35.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width65 ft (19.8 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,466 (2024)
Projected traffic19,826 by 2032
Trucks2%
Lanes on structure4
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington Lane over Rock Park Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1958.

What condition is Washington Lane over Rock Park 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 June 2024.

How much traffic does Washington Lane over Rock Park Creek carry?

About 13,466 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Washington Lane over Rock Park Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 65 ft wide.

Who owns Washington Lane over Rock Park Creek?

It is owned by the State Highway Agency.