US Bridges

SR 8 R C Frame HWY over Over T-371

Good

Venango County, Pennsylvania · Irwin Township · Structure no. 000000000033650

Built
1975
50 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
121 ft
3 main spans
Daily traffic
3,106
2024 count
Owner
State
State Highway Agency

About this bridge

SR 8 R C Frame HWY over Over T-371 is a prestressed concrete box beam or girders - multiple carrying SR 8 R C Frame HWY over Over T-371 in Venango County, Pennsylvania. It was built in 1975, so it is 50 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,106 vehicles a day, roughly 14% of them trucks, projected to reach 4,251 by 2032. The structure is 121 ft (36.9 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 8 R C Frame HWY
CrossesOver T-371
LocationIrwin Township
RouteState Highway 8
Coordinates41.27543, -79.91748
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length121 ft (36.9 m)
Longest span58 ft (17.7 m)
Deck width43 ft (13.2 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,106 (2024)
Projected traffic4,251 by 2032
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$176,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 8 R C Frame HWY over Over T-371 built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR 8 R C Frame HWY over Over T-371 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does SR 8 R C Frame HWY over Over T-371 carry?

About 3,106 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is SR 8 R C Frame HWY over Over T-371?

The structure is 121 ft (36.9 m) long with a longest span of 58 ft (17.7 m) and a deck 43 ft wide.

Who owns SR 8 R C Frame HWY over Over T-371?

It is owned by the State Highway Agency.