US Bridges

US 411 over Coosa River

Fair

Cherokee County, Alabama · .2 Mi. N. of 68 * Al 25 · Structure no. 007379

Built
1961
64 years old
Condition
Fair
inspected January 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
892 ft
3 main spans
Daily traffic
16,699
2022 count
Owner
State
State Highway Agency

About this bridge

US 411 over Coosa River is a steel continuous girder and floorbeam system carrying US 411 over Coosa River in Cherokee County, Alabama. It was built in 1961, so it is 64 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 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 16,699 vehicles a day, roughly 13% of them trucks, projected to reach 23,379 by 2042. The structure is 892 ft (271.9 m) long and 59 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

Location

Open in Google Maps
CarriesUS 411
CrossesCoosa River
Location.2 Mi. N. of 68 * Al 25
RouteU.S. Route 411
CountyCherokee County
StateAlabama
Coordinates34.17695, -85.7548
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.8 US tons
Inventory rating37.1 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+6 approach)
Design loadHS 20
Structure length892 ft (271.9 m)
Longest span180 ft (54.9 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,699 (2022)
Projected traffic23,379 by 2042
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$12.1 million (2025 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was US 411 over Coosa River built?

It was built in 1961, making it 64 years old in 2025.

What condition is US 411 over Coosa River 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 US 411 over Coosa River carry?

About 16,699 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is US 411 over Coosa River?

The structure is 892 ft (271.9 m) long with a longest span of 180 ft (54.9 m) and a deck 59 ft wide.

Who owns US 411 over Coosa River?

It is owned by the State Highway Agency.