US Bridges

US 129 NBL-SR10L ( over CSX Railroad

Fair

Clarke County, Georgia · 1.5 MI NW of Athens Sq · Structure no. 000000005900050

Built
1960
65 years old, rebuilt 1996
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
269 ft
5 main spans
Daily traffic
35,900
2024 count
Owner
State
State Highway Agency

About this bridge

US 129 NBL-SR10L ( over CSX Railroad is a steel stringer/multi-beam or girder carrying US 129 NBL-SR10L ( over CSX Railroad in Clarke County, Georgia. It was built in 1960 and reconstructed in 1996, so it is 65 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 35,900 vehicles a day, roughly 1% of them trucks, projected to reach 53,850 by 2031. The structure is 269 ft (82 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 129 NBL-SR10L (
CrossesCSX Railroad
Location1.5 MI NW of Athens Sq
RouteU.S. Route 129
CountyClarke County
StateGeorgia
Coordinates33.97063, -83.40135
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.9 US tons
Inventory rating21.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length269 ft (82 m)
Longest span102 ft (31.1 m)
Deck width56 ft (17.2 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,900 (2024)
Projected traffic53,850 by 2031
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 129 NBL-SR10L ( over CSX Railroad built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1996.

What condition is US 129 NBL-SR10L ( over CSX Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does US 129 NBL-SR10L ( over CSX Railroad carry?

About 35,900 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 129 NBL-SR10L ( over CSX Railroad?

The structure is 269 ft (82 m) long with a longest span of 102 ft (31.1 m) and a deck 56 ft wide.

Who owns US 129 NBL-SR10L ( over CSX Railroad?

It is owned by the State Highway Agency.