US Bridges

I-75 Ramp to I-16 over Norfolk Southern R/R

Good

Bibb County, Georgia · In North Central Macon · Structure no. 000000002151180

Built
2024
1 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
247 ft
3 main spans
Daily traffic
20,800
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 Ramp to I-16 over Norfolk Southern R/R is a prestressed concrete stringer/multi-beam or girder carrying I-75 Ramp to I-16 over Norfolk Southern R/R in Bibb County, Georgia. It was built in 2024, so it is 1 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. Its operating status is: new structure not yet open to traffic.

It carries about 20,800 vehicles a day, roughly 10% of them trucks, projected to reach 24,300 by 2036. The structure is 247 ft (75.3 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-75 Ramp to I-16
CrossesNorfolk Southern R/R
LocationIn North Central Macon
RouteInterstate 75
CountyBibb County
StateGeorgia
Coordinates32.85403, -83.63522
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 statusNew structure not yet open to traffic
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length247 ft (75.3 m)
Longest span103 ft (31.4 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,800 (2024)
Projected traffic24,300 by 2036
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$32.9 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-75 Ramp to I-16 over Norfolk Southern R/R built?

It was built in 2024, making it 1 years old in 2025.

What condition is I-75 Ramp to I-16 over Norfolk Southern R/R 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-75 Ramp to I-16 over Norfolk Southern R/R carry?

About 20,800 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is I-75 Ramp to I-16 over Norfolk Southern R/R?

The structure is 247 ft (75.3 m) long with a longest span of 103 ft (31.4 m) and a deck 45 ft wide.

Who owns I-75 Ramp to I-16 over Norfolk Southern R/R?

It is owned by the State Highway Agency.