US Bridges

US 129/SR 11 over Ocmulgee Riv & NS RR

Good

Bibb County, Georgia · In East Macon · Structure no. 000000002102080

Built
1987
38 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
654 ft
6 main spans
Daily traffic
20,000
2024 count
Owner
State
State Highway Agency

About this bridge

US 129/SR 11 over Ocmulgee Riv & NS RR is a prestressed concrete stringer/multi-beam or girder carrying US 129/SR 11 over Ocmulgee Riv & NS RR in Bibb County, Georgia. It was built in 1987, so it is 38 years old, younger 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 20,000 vehicles a day, roughly 1% of them trucks, projected to reach 31,665 by 2032. The structure is 654 ft (199.3 m) long and 91 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS 129/SR 11
CrossesOcmulgee Riv & NS RR
LocationIn East Macon
RouteU.S. Route 129
CountyBibb County
StateGeorgia
Coordinates32.8456, -83.6284
Functional classUrban Other Principal 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 inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans6
Design loadHS 20 + Mod
Structure length654 ft (199.3 m)
Longest span115 ft (35.1 m)
Deck width91 ft (27.6 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,000 (2024)
Projected traffic31,665 by 2032
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed1.9 mi (3 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$8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 129/SR 11 over Ocmulgee Riv & NS RR built?

It was built in 1987, making it 38 years old in 2025.

What condition is US 129/SR 11 over Ocmulgee Riv & NS RR 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 April 2024.

How much traffic does US 129/SR 11 over Ocmulgee Riv & NS RR carry?

About 20,000 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is US 129/SR 11 over Ocmulgee Riv & NS RR?

The structure is 654 ft (199.3 m) long with a longest span of 115 ft (35.1 m) and a deck 91 ft wide.

Who owns US 129/SR 11 over Ocmulgee Riv & NS RR?

It is owned by the State Highway Agency.