US Bridges

CO 66 over Six Mile Creek

Fair

Lauderdale County, Alabama · .3 MI E School Lanekillen · Structure no. 001793

Built
1938
87 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete
Length
104 ft
3 main spans
Daily traffic
410
1989 count
Owner
County
County Highway Agency

About this bridge

CO 66 over Six Mile Creek is a concrete tee beam carrying CO 66 over Six Mile Creek in Lauderdale County, Alabama. It was built in 1938, so it is 87 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 410 vehicles a day, roughly 10% of them trucks, projected to reach 820 by 2028. The structure is 104 ft (31.7 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCO 66
CrossesSix Mile Creek
Location.3 MI E School Lanekillen
RouteCounty Highway 66
StateAlabama
Coordinates34.86132, -87.52436
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36 US tons
Inventory rating26.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length104 ft (31.7 m)
Longest span34 ft (10.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (1989)
Projected traffic820 by 2028
Trucks10%
Lanes on structure2
Traffic directionOne-lane bridge for two-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$791,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO 66 over Six Mile Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is CO 66 over Six Mile 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 May 2024.

How much traffic does CO 66 over Six Mile Creek carry?

About 410 vehicles per day (1989 count), of which roughly 10% are trucks.

How long is CO 66 over Six Mile Creek?

The structure is 104 ft (31.7 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.

Who owns CO 66 over Six Mile Creek?

It is owned by the County Highway Agency.