US Bridges

SR 173 Grove City over Over Wolf Creek Trib

Poor

Mercer County, Pennsylvania · Pine Township · Structure no. 000000000025825

Built
1930
95 years old, rebuilt 2014
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete
Length
47 ft
1 main span
Daily traffic
3,657
2023 count
Owner
State
State Highway Agency

About this bridge

SR 173 Grove City over Over Wolf Creek Trib is a concrete tee beam carrying SR 173 Grove City over Over Wolf Creek Trib in Mercer County, Pennsylvania. It was built in 1930 and reconstructed in 2014, so it is 95 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 3,657 vehicles a day, roughly 12% of them trucks, projected to reach 4,746 by 2032. The structure is 47 ft (14.3 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 173 Grove City
CrossesOver Wolf Creek Trib
LocationPine Township
RouteState Highway 173
Coordinates41.17042, -80.08301
Functional classUrban Other Principal 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating22 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length47 ft (14.3 m)
Longest span45 ft (13.7 m)
Deck width43 ft (13.1 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,657 (2023)
Projected traffic4,746 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$520,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 173 Grove City over Over Wolf Creek Trib built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2014.

What condition is SR 173 Grove City over Over Wolf Creek Trib 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 April 2024.

How much traffic does SR 173 Grove City over Over Wolf Creek Trib carry?

About 3,657 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is SR 173 Grove City over Over Wolf Creek Trib?

The structure is 47 ft (14.3 m) long with a longest span of 45 ft (13.7 m) and a deck 43 ft wide.

Who owns SR 173 Grove City over Over Wolf Creek Trib?

It is owned by the State Highway Agency.