US Bridges

West Madison ST over Lr 77(TR 18)

Poor

Beaver County, Pennsylvania · Rochester-Bridgewater Bri · Structure no. 000000000003784

Built
1957
68 years old, rebuilt 1976
Condition
Poor
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
3,402
2024 count
Owner
State
State Highway Agency

About this bridge

West Madison ST over Lr 77(TR 18) is a prestressed concrete box beam or girders - multiple carrying West Madison ST over Lr 77(TR 18) in Beaver County, Pennsylvania. It was built in 1957 and reconstructed in 1976, so it is 68 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,402 vehicles a day, roughly 3% of them trucks, projected to reach 7,563 by 2032. The structure is 71 ft (21.6 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesWest Madison ST
CrossesLr 77(TR 18)
LocationRochester-Bridgewater Bri
RouteState Highway 0
CountyBeaver County
StatePennsylvania
Coordinates40.70178, -80.28991
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating27 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length71 ft (21.6 m)
Longest span68 ft (20.7 m)
Deck width45 ft (13.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,402 (2024)
Projected traffic7,563 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$171,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was West Madison ST over Lr 77(TR 18) built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1976.

What condition is West Madison ST over Lr 77(TR 18) in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does West Madison ST over Lr 77(TR 18) carry?

About 3,402 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is West Madison ST over Lr 77(TR 18)?

The structure is 71 ft (21.6 m) long with a longest span of 68 ft (20.7 m) and a deck 45 ft wide.

Who owns West Madison ST over Lr 77(TR 18)?

It is owned by the State Highway Agency.