US Bridges

I-75 over SR 7 (us 41) Exit 120

Good

Dooly County, Georgia · Unadilla-Southside · Structure no. 000000009300390

Built
1961
64 years old, rebuilt 1994
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
127 ft
3 main spans
Daily traffic
55,200
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 over SR 7 (us 41) Exit 120 is a steel continuous stringer/multi-beam or girder carrying I-75 over SR 7 (us 41) Exit 120 in Dooly County, Georgia. It was built in 1961 and reconstructed in 1994, 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 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 55,200 vehicles a day, roughly 1% of them trucks, projected to reach 62,055 by 2032. The structure is 127 ft (38.7 m) long and 176 ft wide.

CarriesI-75
CrossesSR 7 (us 41) Exit 120
LocationUnadilla-Southside
RouteInterstate 75
StateGeorgia
Coordinates32.24733, -83.74336
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length127 ft (38.7 m)
Longest span50 ft (15.2 m)
Deck width176 ft (53.5 m)
Roadway width170 ft (51.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,200 (2024)
Projected traffic62,055 by 2032
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 over SR 7 (us 41) Exit 120 built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1994.

What condition is I-75 over SR 7 (us 41) Exit 120 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 I-75 over SR 7 (us 41) Exit 120 carry?

About 55,200 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 over SR 7 (us 41) Exit 120?

The structure is 127 ft (38.7 m) long with a longest span of 50 ft (15.2 m) and a deck 176 ft wide.

Who owns I-75 over SR 7 (us 41) Exit 120?

It is owned by the State Highway Agency.