US Bridges

US 31 over Mill Creek

Fair

Conecuh County, Alabama · 0.2 MI N CO RD 77 · Structure no. 006917

Built
1960
65 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
3,196
2023 count
Owner
State
State Highway Agency

About this bridge

US 31 over Mill Creek is a concrete culvert carrying US 31 over Mill Creek in Conecuh County, Alabama. It was built in 1960, so it is 65 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 3,196 vehicles a day, roughly 16% of them trucks, projected to reach 4,794 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesUS 31
CrossesMill Creek
Location0.2 MI N CO RD 77
RouteU.S. Route 31
StateAlabama
Coordinates31.43683, -86.91597
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating48.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,196 (2023)
Projected traffic4,794 by 2043
Trucks16%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$777,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 31 over Mill Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is US 31 over 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 US 31 over Mill Creek carry?

About 3,196 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is US 31 over Mill Creek?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns US 31 over Mill Creek?

It is owned by the State Highway Agency.