US Bridges

I-75 over SR 138

Good

Henry County, Georgia · 2 MI W of Stockbridge · Structure no. 000000015100460

Built
1969
56 years old, rebuilt 1990
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
3 main spans
Daily traffic
132,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 over SR 138 is a steel stringer/multi-beam or girder carrying I-75 over SR 138 in Henry County, Georgia. It was built in 1969 and reconstructed in 1990, so it is 56 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 132,000 vehicles a day, roughly 1% of them trucks, projected to reach 170,985 by 2031. The structure is 162 ft (49.4 m) long and 134 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-75
CrossesSR 138
Location2 MI W of Stockbridge
RouteInterstate 75
StateGeorgia
Coordinates33.54679, -84.27847
Functional classUrban 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 inspectionDecember 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 alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length162 ft (49.4 m)
Longest span80 ft (24.4 m)
Deck width134 ft (40.8 m)
Roadway width130 ft (39.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic132,000 (2024)
Projected traffic170,985 by 2031
Trucks1%
Lanes on structure7
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$2.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 over SR 138 built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1990.

What condition is I-75 over SR 138 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 December 2024.

How much traffic does I-75 over SR 138 carry?

About 132,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 over SR 138?

The structure is 162 ft (49.4 m) long with a longest span of 80 ft (24.4 m) and a deck 134 ft wide.

Who owns I-75 over SR 138?

It is owned by the State Highway Agency.