US Bridges

Bass Road over I-75 (exit 172)@172.26N

Fair

Bibb County, Georgia · 4 MI NW of Macon · Structure no. 000000002100700

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
216 ft
4 main spans
Daily traffic
13,700
2024 count
Owner
State
State Highway Agency

About this bridge

Bass Road over I-75 (exit 172)@172.26N is a steel continuous stringer/multi-beam or girder carrying Bass Road over I-75 (exit 172)@172.26N 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 5 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 13,700 vehicles a day, roughly 5% of them trucks, projected to reach 8,970 by 2031. The structure is 216 ft (65.8 m) long and 34 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBass Road
CrossesI-75 (exit 172)@172.26N
Location4 MI NW of Macon
RouteCounty Highway 940
StateGeorgia
Coordinates32.92814, -83.7315
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length216 ft (65.8 m)
Longest span75 ft (22.9 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,700 (2024)
Projected traffic8,970 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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$1.3 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bass Road over I-75 (exit 172)@172.26N built?

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

What condition is Bass Road over I-75 (exit 172)@172.26N 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 November 2023.

How much traffic does Bass Road over I-75 (exit 172)@172.26N carry?

About 13,700 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Bass Road over I-75 (exit 172)@172.26N?

The structure is 216 ft (65.8 m) long with a longest span of 75 ft (22.9 m) and a deck 34 ft wide.

Who owns Bass Road over I-75 (exit 172)@172.26N?

It is owned by the State Highway Agency.