US Bridges

SR 97 Union City over Over Walnut Creek

Fair

Erie County, Pennsylvania · Summit Township · Structure no. 000000000016129

Built
1952
73 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
44 ft
1 main span
Daily traffic
12,249
2023 count
Owner
State
State Highway Agency

About this bridge

SR 97 Union City over Over Walnut Creek is a concrete tee beam carrying SR 97 Union City over Over Walnut Creek in Erie County, Pennsylvania. It was built in 1952, so it is 73 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 12,249 vehicles a day, roughly 10% of them trucks, projected to reach 14,962 by 2032. The structure is 44 ft (13.4 m) long and 71 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 97 Union City
CrossesOver Walnut Creek
LocationSummit Township
RouteState Highway 97
CountyErie County
StatePennsylvania
Coordinates42.06866, -80.03882
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,249 (2023)
Projected traffic14,962 by 2032
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$65,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 97 Union City over Over Walnut Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is SR 97 Union City over Over Walnut Creek 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 August 2023.

How much traffic does SR 97 Union City over Over Walnut Creek carry?

About 12,249 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 97 Union City over Over Walnut Creek?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 71 ft wide.

Who owns SR 97 Union City over Over Walnut Creek?

It is owned by the State Highway Agency.