US Bridges

I-16 Ramp over I-75

Good

Bibb County, Georgia · In North Macon · Structure no. 000000002150920

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
228 ft
2 main spans
Daily traffic
21,200
2024 count
Owner
State
State Highway Agency

About this bridge

I-16 Ramp over I-75 is a prestressed concrete stringer/multi-beam or girder carrying I-16 Ramp over I-75 in Bibb County, Georgia. It was built in 2021, so it is 4 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,200 vehicles a day, roughly 12% of them trucks, projected to reach 26,200 by 2036. The structure is 228 ft (69.5 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-16 Ramp
CrossesI-75
LocationIn North Macon
RouteInterstate 16
StateGeorgia
Coordinates32.85418, -83.64072
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.9 US tons
Inventory rating39.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length228 ft (69.5 m)
Longest span127 ft (38.7 m)
Deck width45 ft (13.8 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,200 (2024)
Projected traffic26,200 by 2036
Trucks12%
Lanes on structure2
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-16 Ramp over I-75 built?

It was built in 2021, making it 4 years old in 2025.

What condition is I-16 Ramp over I-75 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-16 Ramp over I-75 carry?

About 21,200 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is I-16 Ramp over I-75?

The structure is 228 ft (69.5 m) long with a longest span of 127 ft (38.7 m) and a deck 45 ft wide.

Who owns I-16 Ramp over I-75?

It is owned by the State Highway Agency.