US Bridges

SR 257 Salina Road over Over Lower Two Mile Run

Fair

Venango County, Pennsylvania · Cranberry Township · Structure no. 000000000042414

Built
2004
21 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
8,543
2023 count
Owner
State
State Highway Agency

About this bridge

SR 257 Salina Road over Over Lower Two Mile Run is a concrete culvert carrying SR 257 Salina Road over Over Lower Two Mile Run in Venango County, Pennsylvania. It was built in 2004, so it is 21 years old, younger 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 6 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 8,543 vehicles a day, roughly 10% of them trucks, projected to reach 14,262 by 2032. The structure is 23 ft (7 m) long and 55 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 257 Salina Road
CrossesOver Lower Two Mile Run
LocationCranberry Township
RouteState Highway 257
CountyVenango County
StatePennsylvania
Coordinates41.36833, -79.70517
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating56 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width55 ft (16.8 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,543 (2023)
Projected traffic14,262 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 257 Salina Road over Over Lower Two Mile Run built?

It was built in 2004, making it 21 years old in 2025.

What condition is SR 257 Salina Road over Over Lower Two Mile 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 September 2024.

How much traffic does SR 257 Salina Road over Over Lower Two Mile Run carry?

About 8,543 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 257 Salina Road over Over Lower Two Mile Run?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 55 ft wide.

Who owns SR 257 Salina Road over Over Lower Two Mile Run?

It is owned by the State Highway Agency.