US Bridges

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

Fair

Camden County, Georgia · 1 MI N of Ga-Fla ST Line · Structure no. 000000003900190

Built
1970
55 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
298 ft
4 main spans
Daily traffic
14,600
2024 count
Owner
State
State Highway Agency

About this bridge

St. Marys Road over I-95 (sr 405) is a steel continuous stringer/multi-beam or girder carrying St. Marys Road over I-95 (sr 405) in Camden County, Georgia. It was built in 1970, so it is 55 years old, older than the Georgia average of 47.5 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 14,600 vehicles a day, roughly 1% of them trucks, projected to reach 16,530 by 2032. The structure is 298 ft (90.8 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSt. Marys Road
CrossesI-95 (sr 405)
Location1 MI N of Ga-Fla ST Line
RouteCounty Highway 61
StateGeorgia
Coordinates30.75921, -81.65231
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length298 ft (90.8 m)
Longest span95 ft (29 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,600 (2024)
Projected traffic16,530 by 2032
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1970, making it 55 years old in 2025.

What condition is St. Marys Road over I-95 (sr 405) 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 April 2023.

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

About 14,600 vehicles per day (2024 count), of which roughly 1% are trucks.

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

The structure is 298 ft (90.8 m) long with a longest span of 95 ft (29 m) and a deck 47 ft wide.

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

It is owned by the State Highway Agency.