US Bridges

I-85 (nbl) over SR 18

Good

Troup County, Georgia · In West Point · Structure no. 000000028500510

Built
1963
62 years old, rebuilt 1983
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
4 main spans
Daily traffic
36,200
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 (nbl) over SR 18 is a steel continuous stringer/multi-beam or girder carrying I-85 (nbl) over SR 18 in Troup County, Georgia. It was built in 1963 and reconstructed in 1983, so it is 62 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 36,200 vehicles a day, roughly 1% of them trucks, projected to reach 50,685 by 2032. The structure is 183 ft (55.8 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-85 (nbl)
CrossesSR 18
LocationIn West Point
RouteInterstate 85
StateGeorgia
Coordinates32.87779, -85.15133
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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating26.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length183 ft (55.8 m)
Longest span51 ft (15.5 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,200 (2024)
Projected traffic50,685 by 2032
Trucks1%
Lanes on structure2
Traffic directionOne-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$1.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85 (nbl) over SR 18 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1983.

What condition is I-85 (nbl) over SR 18 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 October 2023.

How much traffic does I-85 (nbl) over SR 18 carry?

About 36,200 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-85 (nbl) over SR 18?

The structure is 183 ft (55.8 m) long with a longest span of 51 ft (15.5 m) and a deck 45 ft wide.

Who owns I-85 (nbl) over SR 18?

It is owned by the State Highway Agency.