US Bridges

I-85 over SR 34

Good

Coweta County, Georgia · 3.4 MI NE of Newnan · Structure no. 000000007751580

Built
2009
16 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
325 ft
4 main spans
Daily traffic
86,600
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 over SR 34 is a prestressed concrete stringer/multi-beam or girder carrying I-85 over SR 34 in Coweta County, Georgia. It was built in 2009, so it is 16 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 86,600 vehicles a day, roughly 24% of them trucks, projected to reach 97,200 by 2031. The structure is 325 ft (99.1 m) long and 139 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-85
CrossesSR 34
Location3.4 MI NE of Newnan
RouteInterstate 85
StateGeorgia
Coordinates33.39677, -84.74886
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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating26.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length325 ft (99.1 m)
Longest span110 ft (33.5 m)
Deck width139 ft (42.4 m)
Roadway width133 ft (40.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86,600 (2024)
Projected traffic97,200 by 2031
Trucks24%
Lanes on structure6
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$4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85 over SR 34 built?

It was built in 2009, making it 16 years old in 2025.

What condition is I-85 over SR 34 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 January 2025.

How much traffic does I-85 over SR 34 carry?

About 86,600 vehicles per day (2024 count), of which roughly 24% are trucks.

How long is I-85 over SR 34?

The structure is 325 ft (99.1 m) long with a longest span of 110 ft (33.5 m) and a deck 139 ft wide.

Who owns I-85 over SR 34?

It is owned by the State Highway Agency.