US Bridges

I-16 Wbl over SR 11- SR 11 Ramp

Fair

Bibb County, Georgia · In North Macon · Structure no. 000000002101200

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
193 ft
4 main spans
Daily traffic
55,800
2024 count
Owner
State
State Highway Agency

About this bridge

I-16 Wbl over SR 11- SR 11 Ramp is a steel stringer/multi-beam or girder carrying I-16 Wbl over SR 11- SR 11 Ramp in Bibb County, Georgia. It was built in 1965, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 55,800 vehicles a day, roughly 1% of them trucks, projected to reach 74,535 by 2032. The structure is 193 ft (58.8 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-16 Wbl
CrossesSR 11- SR 11 Ramp
LocationIn North Macon
RouteInterstate 16
CountyBibb County
StateGeorgia
Coordinates32.84755, -83.62662
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.9 US tons
Inventory rating20.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length193 ft (58.8 m)
Longest span77 ft (23.5 m)
Deck width63 ft (19.3 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,800 (2024)
Projected traffic74,535 by 2032
Trucks1%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$1.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-16 Wbl over SR 11- SR 11 Ramp built?

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

What condition is I-16 Wbl over SR 11- SR 11 Ramp in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does I-16 Wbl over SR 11- SR 11 Ramp carry?

About 55,800 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is I-16 Wbl over SR 11- SR 11 Ramp?

The structure is 193 ft (58.8 m) long with a longest span of 77 ft (23.5 m) and a deck 63 ft wide.

Who owns I-16 Wbl over SR 11- SR 11 Ramp?

It is owned by the State Highway Agency.