US Bridges

County Route 610 over Trib to Beaver Brook

Fair

Warren County, New Jersey · 1.1 MI N of CR 519 JCT · Structure no. 2101110

Built
1939
86 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
307
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 610 over Trib to Beaver Brook is a steel stringer/multi-beam or girder carrying County Route 610 over Trib to Beaver Brook in Warren County, New Jersey. It was built in 1939, so it is 86 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 5 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 307 vehicles a day, roughly 3% of them trucks, projected to reach 374 by 2043. The structure is 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Route 610
CrossesTrib to Beaver Brook
Location1.1 MI N of CR 519 JCT
RouteCounty Highway 610
CountyWarren County
StateNew Jersey
Coordinates40.88461, -75.0063
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length36 ft (11 m)
Longest span32 ft (9.8 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic307 (2023)
Projected traffic374 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$177,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 610 over Trib to Beaver Brook built?

It was built in 1939, making it 86 years old in 2025.

What condition is County Route 610 over Trib to Beaver 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 County Route 610 over Trib to Beaver Brook carry?

About 307 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is County Route 610 over Trib to Beaver Brook?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.8 m) and a deck 29 ft wide.

Who owns County Route 610 over Trib to Beaver Brook?

It is owned by the County Highway Agency.