US Bridges

County Road 31 over Mill Creek

Good

Crenshaw County, Alabama · Quail Tower Rd. · Structure no. 015176

Built
1990
35 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
154
2009 count
Owner
County
County Highway Agency

About this bridge

County Road 31 over Mill Creek is a concrete culvert carrying County Road 31 over Mill Creek in Crenshaw County, Alabama. It was built in 1990, so it is 35 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 154 vehicles a day, roughly 3% of them trucks, projected to reach 132 by 2034. The structure is 27 ft (8.1 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCounty Road 31
CrossesMill Creek
LocationQuail Tower Rd.
RouteCounty Highway 31
StateAlabama
Coordinates31.80161, -86.33905
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating65 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic154 (2009)
Projected traffic132 by 2034
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$562,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 31 over Mill Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is County Road 31 over Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does County Road 31 over Mill Creek carry?

About 154 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is County Road 31 over Mill Creek?

The structure is 27 ft (8.1 m) long with a longest span of 14 ft (4.3 m).

Who owns County Road 31 over Mill Creek?

It is owned by the County Highway Agency.