US Bridges

I-85 Nbl & Sbl over CSX Railroad (50437U)

Good

Coweta County, Georgia · 3.9 MI S of Newnan · Structure no. 000000007700380

Built
1970
55 years old, rebuilt 2009
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
183 ft
3 main spans
Daily traffic
63,800
2024 count
Owner
State
State Highway Agency

About this bridge

I-85 Nbl & Sbl over CSX Railroad (50437U) is a steel stringer/multi-beam or girder carrying I-85 Nbl & Sbl over CSX Railroad (50437U) in Coweta County, Georgia. It was built in 1970 and reconstructed in 2009, so it is 55 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 63,800 vehicles a day, roughly 1% of them trucks, projected to reach 71,100 by 2032. The structure is 183 ft (55.8 m) long and 166 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-85 Nbl & Sbl
CrossesCSX Railroad (50437U)
Location3.9 MI S of Newnan
RouteInterstate 85
StateGeorgia
Coordinates33.32054, -84.78058
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating36.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length183 ft (55.8 m)
Longest span69 ft (21 m)
Deck width166 ft (50.5 m)
Roadway width159 ft (48.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,800 (2024)
Projected traffic71,100 by 2032
Trucks1%
Lanes on structure8
Traffic directionTwo-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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85 Nbl & Sbl over CSX Railroad (50437U) built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2009.

What condition is I-85 Nbl & Sbl over CSX Railroad (50437U) 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 2024.

How much traffic does I-85 Nbl & Sbl over CSX Railroad (50437U) carry?

About 63,800 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-85 Nbl & Sbl over CSX Railroad (50437U)?

The structure is 183 ft (55.8 m) long with a longest span of 69 ft (21 m) and a deck 166 ft wide.

Who owns I-85 Nbl & Sbl over CSX Railroad (50437U)?

It is owned by the State Highway Agency.