US Bridges

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

Good

Bibb County, Georgia · In North Central Macon · Structure no. 000000002150940

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
268 ft
3 main spans
Daily traffic
20,800
2024 count
Owner
State
State Highway Agency

About this bridge

I-75 Ramp/ I-16 EB over Norfolk Southern R/R is a prestressed concrete stringer/multi-beam or girder carrying I-75 Ramp/ I-16 EB over Norfolk Southern R/R 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 20,800 vehicles a day, roughly 10% of them trucks, projected to reach 24,300 by 2026. The structure is 268 ft (81.7 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesI-75 Ramp/ I-16 EB
CrossesNorfolk Southern R/R
LocationIn North Central Macon
RouteInterstate 75
StateGeorgia
Coordinates32.85441, -83.63702
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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating92.9 US tons
Inventory rating50.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length268 ft (81.7 m)
Longest span111 ft (33.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,800 (2024)
Projected traffic24,300 by 2026
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$35.7 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

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

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

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

The structure is 268 ft (81.7 m) long with a longest span of 111 ft (33.8 m) and a deck 31 ft wide.

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

It is owned by the State Highway Agency.