US Bridges

N River Causway DR over North River

Good

Camden County, Georgia · 5 MI NE of ST Marys · Structure no. 000000003950510

Built
2002
23 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
6 main spans
Daily traffic
3,110
2024 count
Owner
County
County Highway Agency

About this bridge

N River Causway DR over North River is a prestressed concrete stringer/multi-beam or girder carrying N River Causway DR over North River in Camden County, Georgia. It was built in 2002, so it is 23 years old, younger than the Georgia average of 47.5 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 3,110 vehicles a day, roughly 1% of them trucks, projected to reach 3,180 by 2032. The structure is 260 ft (79.2 m) long and 43 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesN River Causway DR
CrossesNorth River
Location5 MI NE of ST Marys
RouteCounty Highway 75
StateGeorgia
Coordinates30.76001, -81.52514
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length260 ft (79.2 m)
Longest span44 ft (13.4 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,110 (2024)
Projected traffic3,180 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was N River Causway DR over North River built?

It was built in 2002, making it 23 years old in 2025.

What condition is N River Causway DR over North River 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 May 2023.

How much traffic does N River Causway DR over North River carry?

About 3,110 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is N River Causway DR over North River?

The structure is 260 ft (79.2 m) long with a longest span of 44 ft (13.4 m) and a deck 43 ft wide.

Who owns N River Causway DR over North River?

It is owned by the County Highway Agency.