US Bridges

I-475 Nbl over Tobesofkee Creek

Good

Bibb County, Georgia · 3 MI S of Macon Cty Limit · Structure no. 000000002101370

Built
1965
60 years old, rebuilt 2000
Condition
Good
inspected February 2024
Type
Tee Beam
Concrete
Length
288 ft
9 main spans
Daily traffic
43,000
2024 count
Owner
State
State Highway Agency

About this bridge

I-475 Nbl over Tobesofkee Creek is a concrete tee beam carrying I-475 Nbl over Tobesofkee Creek in Bibb County, Georgia. It was built in 1965 and reconstructed in 2000, 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 43,000 vehicles a day, roughly 19% of them trucks, projected to reach 83,685 by 2031. The structure is 288 ft (87.8 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-475 Nbl
CrossesTobesofkee Creek
Location3 MI S of Macon Cty Limit
RouteInterstate 475
StateGeorgia
Coordinates32.7655, -83.71096
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20 + Mod
Structure length288 ft (87.8 m)
Longest span32 ft (9.8 m)
Deck width68 ft (20.8 m)
Roadway width65 ft (19.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,000 (2024)
Projected traffic83,685 by 2031
Trucks19%
Lanes on structure3
Traffic directionOne-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$2.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-475 Nbl over Tobesofkee Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2000.

What condition is I-475 Nbl over Tobesofkee 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 I-475 Nbl over Tobesofkee Creek carry?

About 43,000 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is I-475 Nbl over Tobesofkee Creek?

The structure is 288 ft (87.8 m) long with a longest span of 32 ft (9.8 m) and a deck 68 ft wide.

Who owns I-475 Nbl over Tobesofkee Creek?

It is owned by the State Highway Agency.