US Bridges

On Tsr 470 over Ludington Run

Fair

Potter County, Pennsylvania · 2 MI S West Bingham · Structure no. 000000000030313

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
65
2023 count
Owner
State
State Highway Agency

About this bridge

On Tsr 470 over Ludington Run is a concrete slab carrying On Tsr 470 over Ludington Run in Potter County, Pennsylvania. It was built in 1971, so it is 54 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 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 65 vehicles a day, roughly 2% of them trucks, projected to reach 132 by 2044. The structure is 26 ft (7.9 m) long and 36 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesOn Tsr 470
CrossesLudington Run
Location2 MI S West Bingham
RouteState Highway 0
CountyPotter County
StatePennsylvania
Coordinates41.92119, -77.80676
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2023)
Projected traffic132 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$339,000
NavigationNo navigation control on waterway

Frequently asked questions

When was On Tsr 470 over Ludington Run built?

It was built in 1971, making it 54 years old in 2025.

What condition is On Tsr 470 over Ludington 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 On Tsr 470 over Ludington Run carry?

About 65 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is On Tsr 470 over Ludington Run?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns On Tsr 470 over Ludington Run?

It is owned by the State Highway Agency.