US Bridges

SR 122 over I-75 (exit 29)

Good

Lowndes County, Georgia · W Edge of Hahira City Lim · Structure no. 000000018550920

Built
2019
6 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
2 main spans
Daily traffic
8,010
2024 count
Owner
State
State Highway Agency

About this bridge

SR 122 over I-75 (exit 29) is a prestressed concrete stringer/multi-beam or girder carrying SR 122 over I-75 (exit 29) in Lowndes County, Georgia. It was built in 2019, so it is 6 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 8,010 vehicles a day, roughly 1% of them trucks, projected to reach 10,900 by 2039. The structure is 260 ft (79.2 m) long and 91 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 122
CrossesI-75 (exit 29)
LocationW Edge of Hahira City Lim
RouteState Highway 122
StateGeorgia
Coordinates30.99225, -83.38805
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length260 ft (79.2 m)
Longest span130 ft (39.6 m)
Deck width91 ft (27.8 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,010 (2024)
Projected traffic10,900 by 2039
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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$34.6 million (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 122 over I-75 (exit 29) built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR 122 over I-75 (exit 29) 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 February 2024.

How much traffic does SR 122 over I-75 (exit 29) carry?

About 8,010 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 122 over I-75 (exit 29)?

The structure is 260 ft (79.2 m) long with a longest span of 130 ft (39.6 m) and a deck 91 ft wide.

Who owns SR 122 over I-75 (exit 29)?

It is owned by the State Highway Agency.