US Bridges

CR-16 over Mill Branch

Fair

Coosa County, Alabama · Junction CR-16/CR-29 · Structure no. 015428

Built
1991
34 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
184
2021 count
Owner
County
County Highway Agency

About this bridge

CR-16 over Mill Branch is a concrete culvert carrying CR-16 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 184 vehicles a day, roughly 1% of them trucks, projected to reach 195 by 2041. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR-16
CrossesMill Branch
LocationJunction CR-16/CR-29
RouteCounty Highway 16
CountyCoosa County
StateAlabama
Coordinates32.94988, -86.33644
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating65.8 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 traffic184 (2021)
Projected traffic195 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$331,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR-16 over Mill Branch built?

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

What condition is CR-16 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 October 2023.

How much traffic does CR-16 over Mill Branch carry?

About 184 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is CR-16 over Mill Branch?

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

Who owns CR-16 over Mill Branch?

It is owned by the County Highway Agency.