US Bridges

4th ST & Church ST over Marsh Run

Fair

Indiana County, Pennsylvania · Int of 4th ST & Church ST · Structure no. 000000000019531

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
2,500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

4th ST & Church ST over Marsh Run is a prestressed concrete slab carrying 4th ST & Church ST 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 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 2,500 vehicles a day, roughly 10% of them trucks, projected to reach 3,500 by 2044. The structure is 70 ft (21.3 m) long and 249 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries4th ST & Church ST
CrossesMarsh Run
LocationInt of 4th ST & Church ST
RouteCity Street 0
Coordinates40.62159, -79.14571
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span25 ft (7.6 m)
Deck width249 ft (76 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2024)
Projected traffic3,500 by 2044
Trucks10%
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

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 4th ST & Church ST over Marsh Run built?

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

What condition is 4th ST & Church ST 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 April 2024.

How much traffic does 4th ST & Church ST over Marsh Run carry?

About 2,500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 4th ST & Church ST over Marsh Run?

The structure is 70 ft (21.3 m) long with a longest span of 25 ft (7.6 m) and a deck 249 ft wide.

Who owns 4th ST & Church ST over Marsh Run?

It is owned by the City or Municipal Highway Agency.