US Bridges

County Route 623 over Cramers Creek

Fair

Hunterdon County, New Jersey · 0.66 Miles West of Nj 31 · Structure no. 100C102

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Culvert
Steel
Length
27 ft
1 main span
Daily traffic
2,858
2023 count
Owner
County
County Highway Agency

About this bridge

County Route 623 over Cramers Creek is a steel culvert carrying County Route 623 over Cramers Creek in Hunterdon County, New Jersey. It was built in 1977, so it is 48 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 2,858 vehicles a day, roughly 4% of them trucks, projected to reach 3,488 by 2043. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Route 623
CrossesCramers Creek
Location0.66 Miles West of Nj 31
RouteCounty Highway 623
Coordinates40.61002, -74.89108
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 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 evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,858 (2023)
Projected traffic3,488 by 2043
Trucks4%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 623 over Cramers Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is County Route 623 over Cramers 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 March 2023.

How much traffic does County Route 623 over Cramers Creek carry?

About 2,858 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is County Route 623 over Cramers Creek?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m).

Who owns County Route 623 over Cramers Creek?

It is owned by the County Highway Agency.