US Bridges

Harrison Cove RD over Killingsworth Cove Brch

Fair

Madison County, Alabama · 0.25 MI E CO RD 1411 · Structure no. 002498

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
39 ft
1 main span
Daily traffic
150
1990 count
Owner
County
County Highway Agency

About this bridge

Harrison Cove RD over Killingsworth Cove Brch is a concrete tee beam carrying Harrison Cove RD over Killingsworth Cove Brch in Madison County, Alabama. It was built in 1940, so it is 85 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 150 vehicles a day, roughly 1% of them trucks, projected to reach 220 by 2035. The structure is 39 ft (11.9 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHarrison Cove RD
CrossesKillingsworth Cove Brch
Location0.25 MI E CO RD 1411
RouteCounty Highway 408
CountyMadison County
StateAlabama
Coordinates34.75158, -86.36664
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span39 ft (11.9 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1990)
Projected traffic220 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$295,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harrison Cove RD over Killingsworth Cove Brch built?

It was built in 1940, making it 85 years old in 2025.

What condition is Harrison Cove RD over Killingsworth Cove Brch 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 July 2024.

How much traffic does Harrison Cove RD over Killingsworth Cove Brch carry?

About 150 vehicles per day (1990 count), of which roughly 1% are trucks.

How long is Harrison Cove RD over Killingsworth Cove Brch?

The structure is 39 ft (11.9 m) long with a longest span of 39 ft (11.9 m) and a deck 22 ft wide.

Who owns Harrison Cove RD over Killingsworth Cove Brch?

It is owned by the County Highway Agency.