US Bridges

SR 358 Vernon Road over Big Run

Fair

Mercer County, Pennsylvania · West Salem Township · Structure no. 000000000025865

Built
1931
94 years old, rebuilt 1960
Condition
Fair
inspected October 2022
Type
Tee Beam
Concrete
Length
44 ft
1 main span
Daily traffic
2,136
2024 count
Owner
State
State Highway Agency

About this bridge

SR 358 Vernon Road over Big Run is a concrete tee beam carrying SR 358 Vernon Road over Big Run in Mercer County, Pennsylvania. It was built in 1931 and reconstructed in 1960, so it is 94 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 2,136 vehicles a day, roughly 10% of them trucks, projected to reach 1,887 by 2032. The structure is 44 ft (13.4 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR 358 Vernon Road
CrossesBig Run
LocationWest Salem Township
RouteState Highway 358
CountyMercer County
StatePennsylvania
Coordinates41.40383, -80.45504
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 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 width33 ft (10.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,136 (2024)
Projected traffic1,887 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$95,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 358 Vernon Road over Big Run built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1960.

What condition is SR 358 Vernon Road over Big Run 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 October 2022.

How much traffic does SR 358 Vernon Road over Big Run carry?

About 2,136 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR 358 Vernon Road over Big Run?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 33 ft wide.

Who owns SR 358 Vernon Road over Big Run?

It is owned by the State Highway Agency.