US Bridges

I-85 (sbl) over CSX Railroad

Good

Troup County, Georgia · 1 MI E of Lagrange · Structure no. 000000028500650

Built
1977
48 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
3 main spans
Daily traffic
46,900
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 (sbl) over CSX Railroad is a steel stringer/multi-beam or girder carrying I-85 (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 46,900 vehicles a day, roughly 20% of them trucks, projected to reach 42,210 by 2032. The structure is 176 ft (53.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-85 (sbl)
CrossesCSX Railroad
Location1 MI E of Lagrange
RouteInterstate 85
CountyTroup County
StateGeorgia
Coordinates33.03341, -84.97667
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length176 ft (53.6 m)
Longest span71 ft (21.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,900 (2024)
Projected traffic42,210 by 2032
Trucks20%
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$1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85 (sbl) over CSX Railroad built?

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

What condition is I-85 (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 November 2023.

How much traffic does I-85 (sbl) over CSX Railroad carry?

About 46,900 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is I-85 (sbl) over CSX Railroad?

The structure is 176 ft (53.6 m) long with a longest span of 71 ft (21.6 m) and a deck 43 ft wide.

Who owns I-85 (sbl) over CSX Railroad?

It is owned by the State Highway Agency.