US Bridges

SR 230 over I-75 @121.52 (exit 122)

Fair

Dooly County, Georgia · Unadilla-Westside · Structure no. 000000009300280

Built
1961
64 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 ft
4 main spans
Daily traffic
1,180
2024 count
Owner
State
State Highway Agency

About this bridge

SR 230 over I-75 @121.52 (exit 122) is a steel continuous stringer/multi-beam or girder carrying SR 230 over I-75 @121.52 (exit 122) in Dooly County, Georgia. It was built in 1961, so it is 64 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 1,180 vehicles a day, roughly 1% of them trucks, projected to reach 3,390 by 2032. The structure is 222 ft (67.7 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR 230
CrossesI-75 @121.52 (exit 122)
LocationUnadilla-Westside
RouteState Highway 230
CountyDooly County
StateGeorgia
Coordinates32.26054, -83.7496
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating34 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length222 ft (67.7 m)
Longest span75 ft (22.9 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,180 (2024)
Projected traffic3,390 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 230 over I-75 @121.52 (exit 122) built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR 230 over I-75 @121.52 (exit 122) 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 July 2023.

How much traffic does SR 230 over I-75 @121.52 (exit 122) carry?

About 1,180 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 230 over I-75 @121.52 (exit 122)?

The structure is 222 ft (67.7 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.

Who owns SR 230 over I-75 @121.52 (exit 122)?

It is owned by the State Highway Agency.