US Bridges

CR 601 over Alexauken Creek Trib

Fair

Hunterdon County, New Jersey · 0.4MI So of Mt Airy Vi RD · Structure no. 1000050

Built
1938
87 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
1,558
2023 count
Owner
County
County Highway Agency

About this bridge

CR 601 over Alexauken Creek Trib is a steel stringer/multi-beam or girder carrying CR 601 over Alexauken Creek Trib in Hunterdon County, New Jersey. It was built in 1938, so it is 87 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 1,558 vehicles a day, roughly 3% of them trucks, projected to reach 1,899 by 2043. The structure is 31 ft (9.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 601
CrossesAlexauken Creek Trib
Location0.4MI So of Mt Airy Vi RD
RouteCounty Highway 601
CountyHunterdon County
StateNew Jersey
Coordinates40.39678, -74.90068
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating79 US tons
Inventory rating47 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,558 (2023)
Projected traffic1,899 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 601 over Alexauken Creek Trib built?

It was built in 1938, making it 87 years old in 2025.

What condition is CR 601 over Alexauken Creek Trib 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 CR 601 over Alexauken Creek Trib carry?

About 1,558 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is CR 601 over Alexauken Creek Trib?

The structure is 31 ft (9.4 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns CR 601 over Alexauken Creek Trib?

It is owned by the County Highway Agency.