US Bridges

US 129 (sbl) over Rock Creek

Good

Jones County, Georgia · 7 MI SW of Gray · Structure no. 000000016900020

Built
1957
68 years old
Condition
Good
inspected February 2024
Type
Tee Beam
Concrete
Length
120 ft
3 main spans
Daily traffic
1,480
2024 count
Owner
State
State Highway Agency

About this bridge

US 129 (sbl) over Rock Creek is a concrete tee beam carrying US 129 (sbl) over Rock Creek in Jones County, Georgia. It was built in 1957, so it is 68 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 1,480 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 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 129 (sbl)
CrossesRock Creek
Location7 MI SW of Gray
RouteU.S. Route 129
CountyJones County
StateGeorgia
Coordinates32.92058, -83.59162
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,480 (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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$703,000
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1957, making it 68 years old in 2025.

What condition is US 129 (sbl) 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 (sbl) over Rock Creek carry?

About 1,480 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is US 129 (sbl) 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 34 ft wide.

Who owns US 129 (sbl) over Rock Creek?

It is owned by the State Highway Agency.