US Bridges

SR 23 over ST Marys River Trib.

Good

Charlton County, Georgia · 12 MI SW of Folkston · Structure no. 000000004900510

Built
1989
36 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,490
2024 count
Owner
State
State Highway Agency

About this bridge

SR 23 over ST Marys River Trib. is a concrete culvert carrying SR 23 over ST Marys River Trib. in Charlton County, Georgia. It was built in 1989, so it is 36 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 1,490 vehicles a day, roughly 1% of them trucks, projected to reach 1,365 by 2032. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 52.2 mi (84 km).

CarriesSR 23
CrossesST Marys River Trib.
Location12 MI SW of Folkston
RouteState Highway 23
StateGeorgia
Coordinates30.6717, -82.06185
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.9 US tons
Inventory rating54.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,490 (2024)
Projected traffic1,365 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed52.2 mi (84 km)
TollOn a free road
National Highway SystemNo

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$129,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 23 over ST Marys River Trib. built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR 23 over ST Marys River Trib. 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 July 2023.

How much traffic does SR 23 over ST Marys River Trib. carry?

About 1,490 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 23 over ST Marys River Trib.?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns SR 23 over ST Marys River Trib.?

It is owned by the State Highway Agency.