US Bridges

I-85 (sbl) over Flat Creek

Good

Troup County, Georgia · 1.5 MI S of Hogansville · Structure no. 000000028500730

Built
1977
48 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Concrete
Length
252 ft
7 main spans
Daily traffic
55,500
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 (sbl) over Flat Creek is a concrete tee beam carrying I-85 (sbl) over Flat Creek in Troup County, Georgia. It was built in 1977, so it is 48 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 55,500 vehicles a day, roughly 1% of them trucks, projected to reach 66,120 by 2032. The structure is 252 ft (76.8 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-85 (sbl)
CrossesFlat Creek
Location1.5 MI S of Hogansville
RouteInterstate 85
StateGeorgia
Coordinates33.13359, -84.88989
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length252 ft (76.8 m)
Longest span36 ft (11 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,500 (2024)
Projected traffic66,120 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$1.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-85 (sbl) over Flat Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is I-85 (sbl) over Flat Creek 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 November 2023.

How much traffic does I-85 (sbl) over Flat Creek carry?

About 55,500 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-85 (sbl) over Flat Creek?

The structure is 252 ft (76.8 m) long with a longest span of 36 ft (11 m) and a deck 44 ft wide.

Who owns I-85 (sbl) over Flat Creek?

It is owned by the State Highway Agency.