US Bridges

Colerain-St. Marys over I-95 (sr 405)

Good

Camden County, Georgia · 1.5 MI NE of Kingland · Structure no. 000000003950660

Built
2018
7 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
293 ft
4 main spans
Daily traffic
11,500
2024 count
Owner
State
State Highway Agency

About this bridge

Colerain-St. Marys over I-95 (sr 405) is a prestressed concrete stringer/multi-beam or girder carrying Colerain-St. Marys over I-95 (sr 405) in Camden County, Georgia. It was built in 2018, so it is 7 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 11,500 vehicles a day, roughly 1% of them trucks, projected to reach 12,405 by 2032. The structure is 293 ft (89.3 m) long and 97 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesColerain-St. Marys
CrossesI-95 (sr 405)
Location1.5 MI NE of Kingland
RouteCounty Highway 2936
StateGeorgia
Coordinates30.82554, -81.66661
Functional classUrban Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating39.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length293 ft (89.3 m)
Longest span99 ft (30.2 m)
Deck width97 ft (29.6 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2024)
Projected traffic12,405 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$39 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Colerain-St. Marys over I-95 (sr 405) built?

It was built in 2018, making it 7 years old in 2025.

What condition is Colerain-St. Marys over I-95 (sr 405) 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 June 2023.

How much traffic does Colerain-St. Marys over I-95 (sr 405) carry?

About 11,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Colerain-St. Marys over I-95 (sr 405)?

The structure is 293 ft (89.3 m) long with a longest span of 99 ft (30.2 m) and a deck 97 ft wide.

Who owns Colerain-St. Marys over I-95 (sr 405)?

It is owned by the State Highway Agency.