US Bridges

US 129 (nbl) over Rock Creek

Good

Jones County, Georgia · 7 MI SW of Gray · Structure no. 000000016900010

Built
1971
54 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Concrete
Length
120 ft
3 main spans
Daily traffic
17,200
2024 count
Owner
State
State Highway Agency

About this bridge

US 129 (nbl) over Rock Creek is a concrete tee beam carrying US 129 (nbl) over Rock Creek in Jones County, Georgia. It was built in 1971, so it is 54 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 17,200 vehicles a day, roughly 10% of them trucks, projected to reach 26,475 by 2032. The structure is 120 ft (36.6 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 129 (nbl)
CrossesRock Creek
Location7 MI SW of Gray
RouteU.S. Route 129
StateGeorgia
Coordinates32.92069, -83.59141
Functional classRural Minor Arterial

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating25.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width45 ft (13.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,200 (2024)
Projected traffic26,475 by 2032
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$703,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 129 (nbl) over Rock Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is US 129 (nbl) over Rock Creek 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 February 2024.

How much traffic does US 129 (nbl) over Rock Creek carry?

About 17,200 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is US 129 (nbl) over Rock Creek?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 45 ft wide.

Who owns US 129 (nbl) over Rock Creek?

It is owned by the State Highway Agency.