US Bridges

SR 54 over Over Mahoning Cr.

Fair

Montour County, Pennsylvania · 1.5 MI N of Danville · Structure no. 000000000028331

Built
1971
54 years old, rebuilt 2008
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
51 ft
1 main span
Daily traffic
10,261
2024 count
Owner
State
State Highway Agency

About this bridge

SR 54 over Over Mahoning Cr. is a prestressed concrete box beam or girders - multiple carrying SR 54 over Over Mahoning Cr. in Montour County, Pennsylvania. It was built in 1971 and reconstructed in 2008, so it is 54 years old, younger 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 10,261 vehicles a day, roughly 11% of them trucks, projected to reach 13,008 by 2032. The structure is 51 ft (15.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 54
CrossesOver Mahoning Cr.
Location1.5 MI N of Danville
RouteState Highway 54
CountyMontour County
StatePennsylvania
Coordinates40.98322, -76.62884
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span46 ft (14 m)
Deck width51 ft (15.5 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,261 (2024)
Projected traffic13,008 by 2032
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 54 over Over Mahoning Cr. built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2008.

What condition is SR 54 over Over Mahoning Cr. 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 October 2023.

How much traffic does SR 54 over Over Mahoning Cr. carry?

About 10,261 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is SR 54 over Over Mahoning Cr.?

The structure is 51 ft (15.5 m) long with a longest span of 46 ft (14 m) and a deck 51 ft wide.

Who owns SR 54 over Over Mahoning Cr.?

It is owned by the State Highway Agency.