US Bridges

CR 518 over Woodsville Brook

Fair

Mercer County, New Jersey · 450 Ft East of US 31 · Structure no. 1102393

Built
1959
66 years old, rebuilt 2006
Condition
Fair
inspected February 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
5,440
2023 count
Owner
County
County Highway Agency

About this bridge

CR 518 over Woodsville Brook is a concrete slab carrying CR 518 over Woodsville Brook in Mercer County, New Jersey. It was built in 1959 and reconstructed in 2006, so it is 66 years old, older than the New Jersey average of 58.5 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 5,440 vehicles a day, roughly 4% of them trucks, projected to reach 6,635 by 2043. The structure is 28 ft (8.5 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesCR 518
CrossesWoodsville Brook
Location450 Ft East of US 31
RouteCounty Highway 518
CountyMercer County
StateNew Jersey
Coordinates40.38336, -74.81795
Functional classRural Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width55 ft (16.9 m)
Roadway width48 ft (14.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,440 (2023)
Projected traffic6,635 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 CR 518 over Woodsville Brook built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2006.

What condition is CR 518 over Woodsville Brook 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 February 2023.

How much traffic does CR 518 over Woodsville Brook carry?

About 5,440 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is CR 518 over Woodsville Brook?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 55 ft wide.

Who owns CR 518 over Woodsville Brook?

It is owned by the County Highway Agency.