US Bridges

Washington Street over Marsh Run

Fair

Indiana County, Pennsylvania · Btw S 4th & S Coulter Ave · Structure no. 000000000019529

Built
1961
64 years old
Condition
Fair
inspected May 2024
Type
Slab
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington Street over Marsh Run is a prestressed concrete slab carrying Washington Street over Marsh Run in Indiana County, Pennsylvania. It was built in 1961, so it is 64 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 6 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 500 vehicles a day, roughly 10% of them trucks, projected to reach 1,540 by 2044. The structure is 28 ft (8.5 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWashington Street
CrossesMarsh Run
LocationBtw S 4th & S Coulter Ave
RouteCity Street 0
Coordinates40.61971, -79.14638
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating61.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span23 ft (7 m)
Deck width36 ft (11.1 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2024)
Projected traffic1,540 by 2044
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$51,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington Street over Marsh Run built?

It was built in 1961, making it 64 years old in 2025.

What condition is Washington Street over Marsh Run 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 May 2024.

How much traffic does Washington Street over Marsh Run carry?

About 500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Washington Street over Marsh Run?

The structure is 28 ft (8.5 m) long with a longest span of 23 ft (7 m) and a deck 36 ft wide.

Who owns Washington Street over Marsh Run?

It is owned by the City or Municipal Highway Agency.