US Bridges

Dorset Ave. CR 629 over Inside Thorofare

Fair

Atlantic County, New Jersey · .05 MI W of Ventnor Ave · Structure no. 01V0001

Built
1929
96 years old
Condition
Fair
inspected January 2023
Type
Movable - Bascule
Steel
Length
220 ft
1 main span
Daily traffic
13,485
2023 count
Owner
County
County Highway Agency

About this bridge

Dorset Ave. CR 629 over Inside Thorofare is a steel movable - bascule carrying Dorset Ave. CR 629 over Inside Thorofare in Atlantic County, New Jersey. It was built in 1929, so it is 96 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 13,485 vehicles a day, roughly 4% of them trucks, projected to reach 16,182 by 2043. The structure is 220 ft (67.1 m) long and 52 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesDorset Ave. CR 629
CrossesInside Thorofare
Location.05 MI W of Ventnor Ave
RouteCounty Highway 629
CountyAtlantic County
StateNew Jersey
Coordinates39.34185, -74.47852
Functional classUrban Other Principal 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeMovable - Bascule
MaterialSteel
DeckOpen grating
Main spans1 (+2 approach)
Design loadH 20
Structure length220 ft (67.1 m)
Longest span79 ft (24.1 m)
Deck width52 ft (15.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,485 (2023)
Projected traffic16,182 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Dorset Ave. CR 629 over Inside Thorofare built?

It was built in 1929, making it 96 years old in 2025.

What condition is Dorset Ave. CR 629 over Inside Thorofare 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 January 2023.

How much traffic does Dorset Ave. CR 629 over Inside Thorofare carry?

About 13,485 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Dorset Ave. CR 629 over Inside Thorofare?

The structure is 220 ft (67.1 m) long with a longest span of 79 ft (24.1 m) and a deck 52 ft wide.

Who owns Dorset Ave. CR 629 over Inside Thorofare?

It is owned by the County Highway Agency.