US Bridges

I-75 over SR 156

Good

Gordon County, Georgia · In East Side of Calhoun · Structure no. 000000012951050

Built
2016
9 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
149 ft
1 main span
Daily traffic
74,800
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 over SR 156 is a prestressed concrete stringer/multi-beam or girder carrying I-75 over SR 156 in Gordon County, Georgia. It was built in 2016, so it is 9 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 74,800 vehicles a day, projected to reach 97,680 by 2027. The structure is 149 ft (45.4 m) long and 155 ft wide.

Location

Open in Google Maps
CarriesI-75
CrossesSR 156
LocationIn East Side of Calhoun
RouteInterstate 75
CountyGordon County
StateGeorgia
Coordinates34.51168, -84.91859
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 inspectionJune 2023
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 rating110.1 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length149 ft (45.4 m)
Longest span148 ft (45.1 m)
Deck width155 ft (47.3 m)
Roadway width149 ft (45.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,800 (2024)
Projected traffic97,680 by 2027
Trucks0%
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$19.9 million (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 over SR 156 built?

It was built in 2016, making it 9 years old in 2025.

What condition is I-75 over SR 156 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 June 2023.

How much traffic does I-75 over SR 156 carry?

About 74,800 vehicles per day (2024 count).

How long is I-75 over SR 156?

The structure is 149 ft (45.4 m) long with a longest span of 148 ft (45.1 m) and a deck 155 ft wide.

Who owns I-75 over SR 156?

It is owned by the State Highway Agency.