US Bridges

CR-18 over Unnamed Branch

Fair

Coosa County, Alabama · 1.99 Mi. N CR-14 · Structure no. 006217

Built
1959
66 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
159
2022 count
Owner
County
County Highway Agency

About this bridge

CR-18 over Unnamed Branch is a concrete culvert carrying CR-18 over Unnamed Branch in Coosa County, Alabama. It was built in 1959, so it is 66 years old, older 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 159 vehicles a day, roughly 3% of them trucks, projected to reach 236 by 2042. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 16.8 mi (27 km).

Location

Open in Google Maps
CarriesCR-18
CrossesUnnamed Branch
Location1.99 Mi. N CR-14
RouteCounty Highway 18
CountyCoosa County
StateAlabama
Coordinates32.81836, -86.15825
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 inspectionMarch 2024
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 alignment7: Better than present minimum criteria
Operating rating44.9 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 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 traffic159 (2022)
Projected traffic236 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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$222,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR-18 over Unnamed Branch built?

It was built in 1959, making it 66 years old in 2025.

What condition is CR-18 over Unnamed 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 March 2024.

How much traffic does CR-18 over Unnamed Branch carry?

About 159 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is CR-18 over Unnamed Branch?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns CR-18 over Unnamed Branch?

It is owned by the County Highway Agency.