US Bridges

ST Mary Road over I-185 (sr 411) Exit 3

Fair

Muscogee County, Georgia · Central Columbus · Structure no. 000000021500980

Built
1966
59 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
230 ft
4 main spans
Daily traffic
13,400
2024 count
Owner
State
State Highway Agency

About this bridge

ST Mary Road over I-185 (sr 411) Exit 3 is a steel stringer/multi-beam or girder carrying ST Mary Road over I-185 (sr 411) Exit 3 in Muscogee County, Georgia. It was built in 1966, so it is 59 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 13,400 vehicles a day, roughly 1% of them trucks, projected to reach 20,430 by 2031. The structure is 230 ft (70.1 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesST Mary Road
CrossesI-185 (sr 411) Exit 3
LocationCentral Columbus
RouteCity Street 8038
StateGeorgia
Coordinates32.446, -84.92779
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.9 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length230 ft (70.1 m)
Longest span62 ft (18.9 m)
Deck width64 ft (19.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,400 (2024)
Projected traffic20,430 by 2031
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was ST Mary Road over I-185 (sr 411) Exit 3 built?

It was built in 1966, making it 59 years old in 2025.

What condition is ST Mary Road over I-185 (sr 411) Exit 3 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 September 2024.

How much traffic does ST Mary Road over I-185 (sr 411) Exit 3 carry?

About 13,400 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is ST Mary Road over I-185 (sr 411) Exit 3?

The structure is 230 ft (70.1 m) long with a longest span of 62 ft (18.9 m) and a deck 64 ft wide.

Who owns ST Mary Road over I-185 (sr 411) Exit 3?

It is owned by the State Highway Agency.