US Bridges

Lake RD over Sinking Creek

PoorPosted for load

Centre County, Pennsylvania · 2.4 MI S 322 · Structure no. 000000000069312

Built
1940
85 years old, rebuilt 2024
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
1 main span
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Lake RD over Sinking Creek is a steel stringer/multi-beam or girder carrying Lake RD over Sinking Creek in Centre County, Pennsylvania. It was built in 1940 and reconstructed in 2024, so it is 85 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 1% of them trucks, projected to reach 77 by 2045. The structure is 32 ft (9.8 m) long and 19 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesLake RD
CrossesSinking Creek
Location2.4 MI S 322
RouteCity Street 0
Coordinates40.77028, -77.6855
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.8 US tons
Inventory rating36.8 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width19 ft (5.8 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic77 by 2045
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lake RD over Sinking Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2024.

What condition is Lake RD over Sinking Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does Lake RD over Sinking Creek carry?

About 50 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Lake RD over Sinking Creek?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 19 ft wide.

Who owns Lake RD over Sinking Creek?

It is owned by the Town or Township Highway Agency.