US Bridges

On Tsr 999 over Little Trout Run

Fair

Clearfield County, Pennsylvania · 2 MI N Shawville · Structure no. 000000000011655

Built
1984
41 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
49
2024 count
Owner
State
State Highway Agency

About this bridge

On Tsr 999 over Little Trout Run is a steel stringer/multi-beam or girder carrying On Tsr 999 over Little Trout Run in Clearfield County, Pennsylvania. It was built in 1984, so it is 41 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 49 vehicles a day, roughly 3% of them trucks, projected to reach 137 by 2043. The structure is 24 ft (7.3 m) long and 25 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesOn Tsr 999
CrossesLittle Trout Run
Location2 MI N Shawville
RouteState Highway 0
Coordinates41.07367, -78.36181
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 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 adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating57 US tons
Inventory rating41 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2024)
Projected traffic137 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was On Tsr 999 over Little Trout Run built?

It was built in 1984, making it 41 years old in 2025.

What condition is On Tsr 999 over Little Trout 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 May 2023.

How much traffic does On Tsr 999 over Little Trout Run carry?

About 49 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is On Tsr 999 over Little Trout Run?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 25 ft wide.

Who owns On Tsr 999 over Little Trout Run?

It is owned by the State Highway Agency.