US Bridges

I-75 over Ocmulgee River Trib

Good

Bibb County, Georgia · In North Central Macon · Structure no. 000000002100940

Built
1967
58 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
82,900
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 over Ocmulgee River Trib is a concrete culvert carrying I-75 over Ocmulgee River Trib in Bibb County, Georgia. It was built in 1967, so it is 58 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 82,900 vehicles a day, roughly 7% of them trucks, projected to reach 110,970 by 2031. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI-75
CrossesOcmulgee River Trib
LocationIn North Central Macon
RouteInterstate 75
StateGeorgia
Coordinates32.85224, -83.64148
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic82,900 (2024)
Projected traffic110,970 by 2031
Trucks7%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$481,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 over Ocmulgee River Trib built?

It was built in 1967, making it 58 years old in 2025.

What condition is I-75 over Ocmulgee River Trib 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 I-75 over Ocmulgee River Trib carry?

About 82,900 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is I-75 over Ocmulgee River Trib?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m).

Who owns I-75 over Ocmulgee River Trib?

It is owned by the State Highway Agency.