US Bridges

Smithsoni-Colbert over Mill Shoal Creek

Good

Madison County, Georgia · 1.5 MI SE of Colbert · Structure no. 000000019500230

Built
1960
65 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
1,480
2024 count
Owner
County
County Highway Agency

About this bridge

Smithsoni-Colbert over Mill Shoal Creek is a concrete culvert carrying Smithsoni-Colbert over Mill Shoal Creek in Madison County, Georgia. It was built in 1960, so it is 65 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,480 vehicles a day, roughly 1% of them trucks, projected to reach 1,620 by 2032. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSmithsoni-Colbert
CrossesMill Shoal Creek
Location1.5 MI SE of Colbert
RouteCounty Highway 2164
StateGeorgia
Coordinates34.02129, -83.19818
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,480 (2024)
Projected traffic1,620 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Smithsoni-Colbert over Mill Shoal Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Smithsoni-Colbert over Mill Shoal Creek 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 March 2023.

How much traffic does Smithsoni-Colbert over Mill Shoal Creek carry?

About 1,480 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Smithsoni-Colbert over Mill Shoal Creek?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns Smithsoni-Colbert over Mill Shoal Creek?

It is owned by the County Highway Agency.