US Bridges

US 129 Nbl over Echeconnee Creek O/F

GoodPosted for load

Bibb County, Georgia · 6.9 MI S of Macon Cty Lmt · Structure no. 000000002100560

Built
1953
72 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Concrete
Length
210 ft
7 main spans
Daily traffic
25,200
2024 count
Owner
State
State Highway Agency

About this bridge

US 129 Nbl over Echeconnee Creek O/F is a concrete tee beam carrying US 129 Nbl over Echeconnee Creek O/F in Bibb County, Georgia. It was built in 1953, so it is 72 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. Its operating status is: posted for load restriction.

It carries about 25,200 vehicles a day, roughly 7% of them trucks, projected to reach 34,290 by 2031. The structure is 210 ft (64 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 129 Nbl
CrossesEcheconnee Creek O/F
Location6.9 MI S of Macon Cty Lmt
RouteU.S. Route 129
StateGeorgia
Coordinates32.66884, -83.62137
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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.9 US tons
Inventory rating22.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length210 ft (64 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,200 (2024)
Projected traffic34,290 by 2031
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 129 Nbl over Echeconnee Creek O/F built?

It was built in 1953, making it 72 years old in 2025.

What condition is US 129 Nbl over Echeconnee Creek O/F 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 US 129 Nbl over Echeconnee Creek O/F carry?

About 25,200 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is US 129 Nbl over Echeconnee Creek O/F?

The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns US 129 Nbl over Echeconnee Creek O/F?

It is owned by the State Highway Agency.