US Bridges

Route 55 Southbo. over Still Run

Good

Gloucester County, New Jersey · 1.4 MI S. CR553&NJ55 Inch · Structure no. 0828168

Built
1988
37 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
109 ft
1 main span
Daily traffic
26,817
2023 count
Owner
State
State Highway Agency

About this bridge

Route 55 Southbo. over Still Run is a steel stringer/multi-beam or girder carrying Route 55 Southbo. over Still Run in Gloucester County, New Jersey. It was built in 1988, so it is 37 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 26,817 vehicles a day, roughly 5% of them trucks, projected to reach 40,226 by 2043. The structure is 109 ft (33.2 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 55 Southbo.
CrossesStill Run
Location1.4 MI S. CR553&NJ55 Inch
RouteState Highway 55
Coordinates39.64292, -75.10142
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length109 ft (33.2 m)
Longest span102 ft (31.1 m)
Deck width49 ft (14.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,817 (2023)
Projected traffic40,226 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Route 55 Southbo. over Still Run built?

It was built in 1988, making it 37 years old in 2025.

What condition is Route 55 Southbo. over Still Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Route 55 Southbo. over Still Run carry?

About 26,817 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Route 55 Southbo. over Still Run?

The structure is 109 ft (33.2 m) long with a longest span of 102 ft (31.1 m) and a deck 49 ft wide.

Who owns Route 55 Southbo. over Still Run?

It is owned by the State Highway Agency.