US Bridges

CR-4 over Swamp Creek

Fair

Coosa County, Alabama · 0.50 MI NE of CR-18 · Structure no. 011962

Built
1978
47 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
24 ft
1 main span
Daily traffic
256
2022 count
Owner
County
County Highway Agency

About this bridge

CR-4 over Swamp Creek is a concrete channel beam carrying CR-4 over Swamp Creek in Coosa County, Alabama. It was built in 1978, so it is 47 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 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 256 vehicles a day, roughly 1% of them trucks, projected to reach 325 by 2042. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesCR-4
CrossesSwamp Creek
Location0.50 MI NE of CR-18
RouteCounty Highway 4
CountyCoosa County
StateAlabama
Coordinates32.81636, -86.13835
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.5 US tons
Inventory rating42.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic256 (2022)
Projected traffic325 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$270,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR-4 over Swamp Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is CR-4 over Swamp Creek 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 January 2024.

How much traffic does CR-4 over Swamp Creek carry?

About 256 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is CR-4 over Swamp Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns CR-4 over Swamp Creek?

It is owned by the County Highway Agency.