US Bridges

Route 55 Ramp Bb over West Clayton Branch

Fair

Gloucester County, New Jersey · 0.1 MI S of CR 553 · Structure no. 0828171

Built
1989
36 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
20 ft
1 main span
Daily traffic
40,678
2024 count
Owner
State
State Highway Agency

About this bridge

Route 55 Ramp Bb over West Clayton Branch is a concrete culvert carrying Route 55 Ramp Bb over West Clayton Branch in Gloucester County, New Jersey. It was built in 1989, so it is 36 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 40,678 vehicles a day, roughly 7% of them trucks, projected to reach 49,634 by 2044. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRoute 55 Ramp Bb
CrossesWest Clayton Branch
Location0.1 MI S of CR 553
RouteState Highway 55
Coordinates39.65136, -75.12153
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,678 (2024)
Projected traffic49,634 by 2044
Trucks7%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Route 55 Ramp Bb over West Clayton Branch built?

It was built in 1989, making it 36 years old in 2025.

What condition is Route 55 Ramp Bb over West Clayton Branch 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 August 2024.

How much traffic does Route 55 Ramp Bb over West Clayton Branch carry?

About 40,678 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Route 55 Ramp Bb over West Clayton Branch?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m).

Who owns Route 55 Ramp Bb over West Clayton Branch?

It is owned by the State Highway Agency.