US Bridges

I-185 (nbl) over Flat Shoals Creek

Good

Troup County, Georgia · 7 MI SE of Lagrange · Structure no. 000000028500780

Built
1979
46 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
422 ft
5 main spans
Daily traffic
24,100
2024 count
Owner
State
State Highway Agency

About this bridge

I-185 (nbl) over Flat Shoals Creek is a steel continuous stringer/multi-beam or girder carrying I-185 (nbl) over Flat Shoals Creek in Troup County, Georgia. It was built in 1979, so it is 46 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 24,100 vehicles a day, roughly 13% of them trucks, projected to reach 26,520 by 2032. The structure is 422 ft (128.6 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-185 (nbl)
CrossesFlat Shoals Creek
Location7 MI SE of Lagrange
RouteInterstate 185
StateGeorgia
Coordinates32.93207, -84.95001
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 protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length422 ft (128.6 m)
Longest span115 ft (35.1 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,100 (2024)
Projected traffic26,520 by 2032
Trucks13%
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$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-185 (nbl) over Flat Shoals Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is I-185 (nbl) over Flat Shoals 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 December 2023.

How much traffic does I-185 (nbl) over Flat Shoals Creek carry?

About 24,100 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is I-185 (nbl) over Flat Shoals Creek?

The structure is 422 ft (128.6 m) long with a longest span of 115 ft (35.1 m) and a deck 44 ft wide.

Who owns I-185 (nbl) over Flat Shoals Creek?

It is owned by the State Highway Agency.