US Bridges

SR 97 Union City over Over Buffalo & Pittsburg

Fair

Erie County, Pennsylvania · Waterford Township · Structure no. 000000000016123

Built
1989
36 years old, rebuilt 2005
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
6,493
2024 count
Owner
State
State Highway Agency

About this bridge

SR 97 Union City over Over Buffalo & Pittsburg is a prestressed concrete box beam or girders - multiple carrying SR 97 Union City over Over Buffalo & Pittsburg in Erie County, Pennsylvania. It was built in 1989 and reconstructed in 2005, so it is 36 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 6,493 vehicles a day, roughly 8% of them trucks, projected to reach 7,933 by 2032. The structure is 42 ft (12.8 m) long and 45 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR 97 Union City
CrossesOver Buffalo & Pittsburg
LocationWaterford Township
RouteState Highway 97
CountyErie County
StatePennsylvania
Coordinates41.92477, -79.94344
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94 US tons
Inventory rating46 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,493 (2024)
Projected traffic7,933 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 97 Union City over Over Buffalo & Pittsburg built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2005.

What condition is SR 97 Union City over Over Buffalo & Pittsburg 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 97 Union City over Over Buffalo & Pittsburg carry?

About 6,493 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is SR 97 Union City over Over Buffalo & Pittsburg?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 45 ft wide.

Who owns SR 97 Union City over Over Buffalo & Pittsburg?

It is owned by the State Highway Agency.