US Bridges

SR 350-PA 350 over Big Fill Run

Fair

Centre County, Pennsylvania · Mount Pleasant · Structure no. 000000000009523

Built
1985
40 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
5,383
2024 count
Owner
State
State Highway Agency

About this bridge

SR 350-PA 350 over Big Fill Run is a prestressed concrete box beam or girders - multiple carrying SR 350-PA 350 over Big Fill Run in Centre County, Pennsylvania. It was built in 1985, so it is 40 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 5,383 vehicles a day, roughly 21% of them trucks, projected to reach 6,304 by 2042. The structure is 50 ft (15.2 m) long and 45 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesSR 350-PA 350
CrossesBig Fill Run
LocationMount Pleasant
RouteState Highway 350
CountyCentre County
StatePennsylvania
Coordinates40.7601, -78.22957
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating61.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,383 (2024)
Projected traffic6,304 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 350-PA 350 over Big Fill Run built?

It was built in 1985, making it 40 years old in 2025.

What condition is SR 350-PA 350 over Big Fill 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 April 2023.

How much traffic does SR 350-PA 350 over Big Fill Run carry?

About 5,383 vehicles per day (2024 count), of which roughly 21% are trucks.

How long is SR 350-PA 350 over Big Fill Run?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 45 ft wide.

Who owns SR 350-PA 350 over Big Fill Run?

It is owned by the State Highway Agency.