US Bridges

Center Highway over Tinker Run

PoorPosted for load

Westmoreland County, Pennsylvania · At Main ST Intersect · Structure no. 000000000036872

Built
1979
46 years old
Condition
Poor
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
6,600
2022 count
Owner
County
County Highway Agency

About this bridge

Center Highway over Tinker Run is a prestressed concrete box beam or girders - multiple carrying Center Highway over Tinker Run in Westmoreland County, Pennsylvania. It was built in 1979, so it is 46 years old, younger 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 3 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 6,600 vehicles a day, roughly 15% of them trucks, projected to reach 8,500 by 2042. The structure is 55 ft (16.8 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCenter Highway
CrossesTinker Run
LocationAt Main ST Intersect
RouteCounty Highway 0
Coordinates40.32803, -79.71224
Functional classRural Minor 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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating14 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span53 ft (16.2 m)
Deck width42 ft (12.8 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2022)
Projected traffic8,500 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Center Highway over Tinker Run built?

It was built in 1979, making it 46 years old in 2025.

What condition is Center Highway over Tinker Run 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 June 2024.

How much traffic does Center Highway over Tinker Run carry?

About 6,600 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is Center Highway over Tinker Run?

The structure is 55 ft (16.8 m) long with a longest span of 53 ft (16.2 m) and a deck 42 ft wide.

Who owns Center Highway over Tinker Run?

It is owned by the County Highway Agency.