US Bridges

I-185 (sbl) over CSX Railroad

Good

Troup County, Georgia · 3 MI E of Lagrange · Structure no. 000000028500830

Built
1977
48 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
164 ft
3 main spans
Daily traffic
53,800
2024 count
Owner
State
State Highway Agency

About this bridge

I-185 (sbl) over CSX Railroad is a steel stringer/multi-beam or girder carrying I-185 (sbl) over CSX Railroad 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 53,800 vehicles a day, roughly 13% of them trucks, projected to reach 25,050 by 2032. The structure is 164 ft (50 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-185 (sbl)
CrossesCSX Railroad
Location3 MI E of Lagrange
RouteInterstate 185
StateGeorgia
Coordinates33.02099, -84.95226
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 inspectionDecember 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 rating50.9 US tons
Inventory rating30 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length164 ft (50 m)
Longest span56 ft (17.1 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,800 (2024)
Projected traffic25,050 by 2032
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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$961,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-185 (sbl) over CSX Railroad built?

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

What condition is I-185 (sbl) over CSX Railroad 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 (sbl) over CSX Railroad carry?

About 53,800 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is I-185 (sbl) over CSX Railroad?

The structure is 164 ft (50 m) long with a longest span of 56 ft (17.1 m) and a deck 44 ft wide.

Who owns I-185 (sbl) over CSX Railroad?

It is owned by the State Highway Agency.