US Bridges

US 23/ SR 87 over I-75

Good

Bibb County, Georgia · In North Central Macon · Structure no. 000000002150800

Built
2020
5 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
444 ft
3 main spans
Daily traffic
17,500
2024 count
Owner
State
State Highway Agency

About this bridge

US 23/ SR 87 over I-75 is a prestressed concrete stringer/multi-beam or girder carrying US 23/ SR 87 over I-75 in Bibb County, Georgia. It was built in 2020, so it is 5 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 17,500 vehicles a day, roughly 4% of them trucks, projected to reach 17,650 by 2036. The structure is 444 ft (135.3 m) long and 82 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS 23/ SR 87
CrossesI-75
LocationIn North Central Macon
RouteU.S. Route 23
CountyBibb County
StateGeorgia
Coordinates32.85184, -83.64171
Functional classUrban Other Principal Arterial

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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length444 ft (135.3 m)
Longest span94 ft (28.7 m)
Deck width82 ft (25.1 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2024)
Projected traffic17,650 by 2036
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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$59.2 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 23/ SR 87 over I-75 built?

It was built in 2020, making it 5 years old in 2025.

What condition is US 23/ SR 87 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 US 23/ SR 87 over I-75 carry?

About 17,500 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is US 23/ SR 87 over I-75?

The structure is 444 ft (135.3 m) long with a longest span of 94 ft (28.7 m) and a deck 82 ft wide.

Who owns US 23/ SR 87 over I-75?

It is owned by the State Highway Agency.