US Bridges

Co. Route 643 over Pohatcong Creek

Fair

Warren County, New Jersey · 0.2 Mi. South of Nj 57 · Structure no. 2100527

Built
1991
34 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
1,985
2023 count
Owner
County
County Highway Agency

About this bridge

Co. Route 643 over Pohatcong Creek is a prestressed concrete box beam or girders - multiple carrying Co. Route 643 over Pohatcong Creek in Warren County, New Jersey. It was built in 1991, so it is 34 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 1,985 vehicles a day, roughly 3% of them trucks, projected to reach 2,423 by 2043. The structure is 62 ft (18.9 m) long and 45 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCo. Route 643
CrossesPohatcong Creek
Location0.2 Mi. South of Nj 57
RouteCounty Highway 643
CountyWarren County
StateNew Jersey
Coordinates40.72969, -75.04975
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78 US tons
Inventory rating47 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length62 ft (18.9 m)
Longest span57 ft (17.4 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,985 (2023)
Projected traffic2,423 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 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 Co. Route 643 over Pohatcong Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Co. Route 643 over Pohatcong Creek 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 April 2023.

How much traffic does Co. Route 643 over Pohatcong Creek carry?

About 1,985 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Co. Route 643 over Pohatcong Creek?

The structure is 62 ft (18.9 m) long with a longest span of 57 ft (17.4 m) and a deck 45 ft wide.

Who owns Co. Route 643 over Pohatcong Creek?

It is owned by the County Highway Agency.