US Bridges

Shiloh Road over Trout Brook

Fair

Warren County, New Jersey · 0.2 MI SE of CR 519 JCT · Structure no. 2101138

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
643
2023 count
Owner
County
County Highway Agency

About this bridge

Shiloh Road over Trout Brook is a prestressed concrete slab carrying Shiloh Road over Trout Brook in Warren County, New Jersey. It was built in 1988, so it is 37 years old, younger 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 643 vehicles a day, roughly 3% of them trucks, projected to reach 785 by 2043. The structure is 35 ft (10.7 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesShiloh Road
CrossesTrout Brook
Location0.2 MI SE of CR 519 JCT
RouteCity Street 0
CountyWarren County
StateNew Jersey
Coordinates40.91761, -74.94789
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating70 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.7 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic643 (2023)
Projected traffic785 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Shiloh Road over Trout Brook built?

It was built in 1988, making it 37 years old in 2025.

What condition is Shiloh Road over Trout 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 March 2023.

How much traffic does Shiloh Road over Trout Brook carry?

About 643 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Shiloh Road over Trout Brook?

The structure is 35 ft (10.7 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Shiloh Road over Trout Brook?

It is owned by the County Highway Agency.