US Bridges

SR 80 WB over Over SR 318 W Mddsx-Mer

Fair

Mercer County, Pennsylvania · Shenango Township · Structure no. 000000000025777

Built
1966
59 years old, rebuilt 1983
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
173 ft
3 main spans
Daily traffic
12,856
2024 count
Owner
State
State Highway Agency

About this bridge

SR 80 WB over Over SR 318 W Mddsx-Mer is a prestressed concrete box beam or girders - multiple carrying SR 80 WB over Over SR 318 W Mddsx-Mer in Mercer County, Pennsylvania. It was built in 1966 and reconstructed in 1983, so it is 59 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 12,856 vehicles a day, roughly 45% of them trucks, projected to reach 16,802 by 2032. The structure is 173 ft (52.7 m) long and 37 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 80 WB
CrossesOver SR 318 W Mddsx-Mer
LocationShenango Township
RouteInterstate 80
CountyMercer County
StatePennsylvania
Coordinates41.18353, -80.42168
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating33 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length173 ft (52.7 m)
Longest span71 ft (21.6 m)
Deck width37 ft (11.4 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,856 (2024)
Projected traffic16,802 by 2032
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$257,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 80 WB over Over SR 318 W Mddsx-Mer built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1983.

What condition is SR 80 WB over Over SR 318 W Mddsx-Mer 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 80 WB over Over SR 318 W Mddsx-Mer carry?

About 12,856 vehicles per day (2024 count), of which roughly 45% are trucks.

How long is SR 80 WB over Over SR 318 W Mddsx-Mer?

The structure is 173 ft (52.7 m) long with a longest span of 71 ft (21.6 m) and a deck 37 ft wide.

Who owns SR 80 WB over Over SR 318 W Mddsx-Mer?

It is owned by the State Highway Agency.