US Bridges

SR 1009 L.Wilhelm over Over Lake Wilhelm

Fair

Mercer County, Pennsylvania · New Vernon Township · Structure no. 000000000025917

Built
1969
56 years old, rebuilt 2020
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
181 ft
1 main span
Daily traffic
1,091
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1009 L.Wilhelm over Over Lake Wilhelm is a prestressed concrete box beam or girders - multiple carrying SR 1009 L.Wilhelm over Over Lake Wilhelm in Mercer County, Pennsylvania. It was built in 1969 and reconstructed in 2020, so it is 56 years old, older 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 1,091 vehicles a day, roughly 5% of them trucks, projected to reach 682 by 2032. The structure is 181 ft (55.2 m) long and 46 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR 1009 L.Wilhelm
CrossesOver Lake Wilhelm
LocationNew Vernon Township
RouteState Highway 0
Coordinates41.42298, -80.15184
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating23 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length181 ft (55.2 m)
Longest span78 ft (23.8 m)
Deck width46 ft (14 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,091 (2024)
Projected traffic682 by 2032
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$97,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1009 L.Wilhelm over Over Lake Wilhelm built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 2020.

What condition is SR 1009 L.Wilhelm over Over Lake Wilhelm 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 June 2024.

How much traffic does SR 1009 L.Wilhelm over Over Lake Wilhelm carry?

About 1,091 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 1009 L.Wilhelm over Over Lake Wilhelm?

The structure is 181 ft (55.2 m) long with a longest span of 78 ft (23.8 m) and a deck 46 ft wide.

Who owns SR 1009 L.Wilhelm over Over Lake Wilhelm?

It is owned by the State Highway Agency.