US Bridges

CR-29 over Mill Branch

Fair

Coosa County, Alabama · 0.08 MI NE of CR-16 · Structure no. 015447

Built
1991
34 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
685
2021 count
Owner
County
County Highway Agency

About this bridge

CR-29 over Mill Branch is a concrete culvert carrying CR-29 over Mill Branch in Coosa County, Alabama. It was built in 1991, so it is 34 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 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 685 vehicles a day, roughly 1% of them trucks, projected to reach 717 by 2041. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesCR-29
CrossesMill Branch
Location0.08 MI NE of CR-16
RouteCounty Highway 29
CountyCoosa County
StateAlabama
Coordinates32.95041, -86.33502
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating68.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic685 (2021)
Projected traffic717 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$378,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR-29 over Mill Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is CR-29 over Mill Branch 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 February 2025.

How much traffic does CR-29 over Mill Branch carry?

About 685 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is CR-29 over Mill Branch?

The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m).

Who owns CR-29 over Mill Branch?

It is owned by the County Highway Agency.