US Bridges

W. Lake Road over Chestnut Run

Fair

Mercer County, Pennsylvania · 300FT East of Rt 846 · Structure no. 000000000026266

Built
1965
60 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
35 ft
1 main span
Daily traffic
585
2023 count
Owner
County
County Highway Agency

About this bridge

W. Lake Road over Chestnut Run is a concrete tee beam carrying W. Lake Road over Chestnut Run in Mercer County, Pennsylvania. It was built in 1965, so it is 60 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 585 vehicles a day, roughly 4% of them trucks, projected to reach 780 by 2039. The structure is 35 ft (10.7 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesW. Lake Road
CrossesChestnut Run
Location300FT East of Rt 846
RouteCity Street 7225
CountyMercer County
StatePennsylvania
Coordinates41.31699, -80.46473
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating77.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic585 (2023)
Projected traffic780 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 W. Lake Road over Chestnut Run built?

It was built in 1965, making it 60 years old in 2025.

What condition is W. Lake Road over Chestnut 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 July 2023.

How much traffic does W. Lake Road over Chestnut Run carry?

About 585 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is W. Lake Road over Chestnut Run?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 35 ft wide.

Who owns W. Lake Road over Chestnut Run?

It is owned by the County Highway Agency.