US Bridges

CO Rt No 6 over Branch of Mill Creek

Fair

Marengo County, Alabama · 1.1 MI E of Exmoor · Structure no. 013582

Built
1985
40 years old
Condition
Fair
inspected January 2025
Type
Culvert
Steel
Length
35 ft
2 main spans
Daily traffic
150
1988 count
Owner
County
County Highway Agency

About this bridge

CO Rt No 6 over Branch of Mill Creek is a steel culvert carrying CO Rt No 6 over Branch of Mill Creek in Marengo County, Alabama. It was built in 1985, so it is 40 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 150 vehicles a day, roughly 20% of them trucks, projected to reach 140 by 2041. The structure is 35 ft (10.7 m) long and 20 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCO Rt No 6
CrossesBranch of Mill Creek
Location1.1 MI E of Exmoor
RouteCounty Highway 6
StateAlabama
Coordinates32.05622, -87.8598
Functional classRural Minor 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 15
Structure length35 ft (10.7 m)
Longest span19 ft (5.8 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (1988)
Projected traffic140 by 2041
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$553,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO Rt No 6 over Branch of Mill Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is CO Rt No 6 over Branch of Mill 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 2025.

How much traffic does CO Rt No 6 over Branch of Mill Creek carry?

About 150 vehicles per day (1988 count), of which roughly 20% are trucks.

How long is CO Rt No 6 over Branch of Mill Creek?

The structure is 35 ft (10.7 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.

Who owns CO Rt No 6 over Branch of Mill Creek?

It is owned by the County Highway Agency.