US Bridges

SR 94 over N Prong ST Marys River

Fair

Charlton County, Georgia · 12 W of ST George · Structure no. 000000004900480

Built
1989
36 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
310 ft
1 main span
Daily traffic
610
2024 count
Owner
State
State Highway Agency

About this bridge

SR 94 over N Prong ST Marys River is a prestressed concrete stringer/multi-beam or girder carrying SR 94 over N Prong ST Marys River 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 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 610 vehicles a day, roughly 1% of them trucks, projected to reach 870 by 2032. The structure is 310 ft (94.5 m) long and 41 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 94
CrossesN Prong ST Marys River
Location12 W of ST George
RouteState Highway 94
StateGeorgia
Coordinates30.51748, -82.23041
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating30 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+6 approach)
Design loadHS 20 + Mod
Structure length310 ft (94.5 m)
Longest span70 ft (21.3 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2024)
Projected traffic870 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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$1.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 94 over N Prong ST Marys River built?

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

What condition is SR 94 over N Prong ST Marys River 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 June 2023.

How much traffic does SR 94 over N Prong ST Marys River carry?

About 610 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 94 over N Prong ST Marys River?

The structure is 310 ft (94.5 m) long with a longest span of 70 ft (21.3 m) and a deck 41 ft wide.

Who owns SR 94 over N Prong ST Marys River?

It is owned by the State Highway Agency.