US Bridges

Long Road over Muddy Run

Good

Indiana County, Pennsylvania · 400 E of T-563 / T-566 · Structure no. 000000000019459

Built
1940
85 years old, rebuilt 2024
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Long Road over Muddy Run is a prestressed concrete slab carrying Long Road over Muddy Run in Indiana County, Pennsylvania. It was built in 1940 and reconstructed in 2024, so it is 85 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 75 vehicles a day, projected to reach 100 by 2044. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLong Road
CrossesMuddy Run
Location400 E of T-563 / T-566
RouteCity Street 0
Coordinates40.53013, -79.22505
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic100 by 2044
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Long Road over Muddy Run built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2024.

What condition is Long Road over Muddy Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Long Road over Muddy Run carry?

About 75 vehicles per day (2024 count).

How long is Long Road over Muddy Run?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Long Road over Muddy Run?

It is owned by the Town or Township Highway Agency.