US Bridges

County Route 31 over Mill Shoal Creek

Fair

Clay County, Alabama · 2.5 Miles N of Watts Xrds · Structure no. 018538

Built
1976
49 years old
Condition
Fair
inspected December 2023
Type
Culvert
Steel
Length
35 ft
Daily traffic
371
2016 count
Owner
County
County Highway Agency

About this bridge

County Route 31 over Mill Shoal Creek is a steel culvert carrying County Route 31 over Mill Shoal Creek in Clay County, Alabama. It was built in 1976, so it is 49 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 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 371 vehicles a day, roughly 5% of them trucks, projected to reach 551 by 2036. The structure is 35 ft (10.7 m) long and 50 ft wide.

CarriesCounty Route 31
CrossesMill Shoal Creek
Location2.5 Miles N of Watts Xrds
RouteCounty Highway 31
StateAlabama
Coordinates33.41393, -85.78704
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span7 ft (2.1 m)
Deck width50 ft (15.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic371 (2016)
Projected traffic551 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$442,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Route 31 over Mill Shoal Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is County Route 31 over Mill Shoal 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 December 2023.

How much traffic does County Route 31 over Mill Shoal Creek carry?

About 371 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is County Route 31 over Mill Shoal Creek?

The structure is 35 ft (10.7 m) long with a longest span of 7 ft (2.1 m) and a deck 50 ft wide.

Who owns County Route 31 over Mill Shoal Creek?

It is owned by the County Highway Agency.