US Bridges

Daugherty Road over Wolf Creek

PoorPosted for load

Mercer County, Pennsylvania · 3/4-MI East of Rt 173 · Structure no. 000000000026221

Built
1953
72 years old, rebuilt 2004
Condition
Poor
inspected October 2024
Type
Truss - Thru
Steel
Length
94 ft
1 main span
Daily traffic
410
2018 count
Owner
County
County Highway Agency

About this bridge

Daugherty Road over Wolf Creek is a steel truss - thru carrying Daugherty Road over Wolf Creek in Mercer County, Pennsylvania. It was built in 1953 and reconstructed in 2004, so it is 72 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. Its operating status is: posted for load restriction.

It carries about 410 vehicles a day, roughly 4% of them trucks, projected to reach 730 by 2038. The structure is 94 ft (28.7 m) long and 21 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDaugherty Road
CrossesWolf Creek
Location3/4-MI East of Rt 173
RouteCity Street 7219
Coordinates41.19764, -80.06494
Functional classRural Minor Collector

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadHS 20
Structure length94 ft (28.7 m)
Longest span90 ft (27.4 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2018)
Projected traffic730 by 2038
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Daugherty Road over Wolf Creek built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2004.

What condition is Daugherty Road over Wolf Creek 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 October 2024.

How much traffic does Daugherty Road over Wolf Creek carry?

About 410 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Daugherty Road over Wolf Creek?

The structure is 94 ft (28.7 m) long with a longest span of 90 ft (27.4 m) and a deck 21 ft wide.

Who owns Daugherty Road over Wolf Creek?

It is owned by the County Highway Agency.