US Bridges

SR 51 SB over 04136 641 Rp.A & Local

Good

Beaver County, Pennsylvania · 980 South Roch.Monaca Br · Structure no. 000000000052582

Built
1965
60 years old, rebuilt 1997
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
980 ft
2 main spans
Daily traffic
7,771
2024 count
Owner
State
State Highway Agency

About this bridge

SR 51 SB over 04136 641 Rp.A & Local is a prestressed concrete box beam or girders - multiple carrying SR 51 SB over 04136 641 Rp.A & Local in Beaver County, Pennsylvania. It was built in 1965 and reconstructed in 1997, so it is 60 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 7,771 vehicles a day, roughly 7% of them trucks, projected to reach 9,364 by 2032. The structure is 980 ft (298.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 51 SB
Crosses04136 641 Rp.A & Local
Location980 South Roch.Monaca Br
RouteState Highway 51
Coordinates40.69958, -80.27886
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating79 US tons
Inventory rating23 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+14 approach)
Design loadHS 20
Structure length980 ft (298.7 m)
Longest span88 ft (26.8 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,771 (2024)
Projected traffic9,364 by 2032
Trucks7%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 51 SB over 04136 641 Rp.A & Local built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1997.

What condition is SR 51 SB over 04136 641 Rp.A & Local 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 August 2023.

How much traffic does SR 51 SB over 04136 641 Rp.A & Local carry?

About 7,771 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 51 SB over 04136 641 Rp.A & Local?

The structure is 980 ft (298.7 m) long with a longest span of 88 ft (26.8 m) and a deck 30 ft wide.

Who owns SR 51 SB over 04136 641 Rp.A & Local?

It is owned by the State Highway Agency.