US Bridges

I-16 (wbl) over Walnut Creek

Good

Bibb County, Georgia · 1 MI E of Macon Cty Lmt · Structure no. 000000002101240

Built
1967
58 years old
Condition
Good
inspected March 2024
Type
Tee Beam
Concrete
Length
440 ft
11 main spans
Daily traffic
62,400
2024 count
Owner
State
State Highway Agency

About this bridge

I-16 (wbl) over Walnut Creek is a concrete tee beam carrying I-16 (wbl) over Walnut Creek 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 62,400 vehicles a day, roughly 1% of them trucks, projected to reach 66,780 by 2032. The structure is 440 ft (134.1 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-16 (wbl)
CrossesWalnut Creek
Location1 MI E of Macon Cty Lmt
RouteInterstate 16
CountyBibb County
StateGeorgia
Coordinates32.82943, -83.60463
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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans11
Design loadHS 20 + Mod
Structure length440 ft (134.1 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62,400 (2024)
Projected traffic66,780 by 2032
Trucks1%
Lanes on structure2
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$629,000
NavigationNo navigation control on waterway

Frequently asked questions

When was I-16 (wbl) over Walnut Creek built?

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

What condition is I-16 (wbl) over Walnut 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 March 2024.

How much traffic does I-16 (wbl) over Walnut Creek carry?

About 62,400 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-16 (wbl) over Walnut Creek?

The structure is 440 ft (134.1 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns I-16 (wbl) over Walnut Creek?

It is owned by the State Highway Agency.