US Bridges

I-75 Nbl and Sbl over Sabbath Creek

Good

Bibb County, Georgia · 0.5 MI N of Macon · Structure no. 000000002101040

Built
1965
60 years old, rebuilt 2013
Condition
Good
inspected December 2023
Type
Tee Beam
Concrete
Length
150 ft
5 main spans
Daily traffic
62,100
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 Nbl and Sbl over Sabbath Creek is a concrete tee beam carrying I-75 Nbl and Sbl over Sabbath Creek in Bibb County, Georgia. It was built in 1965 and reconstructed in 2013, so it is 60 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 62,100 vehicles a day, roughly 1% of them trucks, projected to reach 92,835 by 2032. The structure is 150 ft (45.7 m) long and 155 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-75 Nbl and Sbl
CrossesSabbath Creek
Location0.5 MI N of Macon
RouteInterstate 75
CountyBibb County
StateGeorgia
Coordinates32.89567, -83.6801
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating33 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width155 ft (47.3 m)
Roadway width149 ft (45.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,100 (2024)
Projected traffic92,835 by 2032
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$879,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-75 Nbl and Sbl over Sabbath Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2013.

What condition is I-75 Nbl and Sbl over Sabbath 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 December 2023.

How much traffic does I-75 Nbl and Sbl over Sabbath Creek carry?

About 62,100 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-75 Nbl and Sbl over Sabbath Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 155 ft wide.

Who owns I-75 Nbl and Sbl over Sabbath Creek?

It is owned by the State Highway Agency.