US Bridges

Mingo RD over Mill Branch

Fair

Colbert County, Alabama · Mill Branch on Mingo RD · Structure no. 020137

Built
2004
21 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
30 ft
4 main spans
Daily traffic
50
2006 count
Owner
County
County Highway Agency

About this bridge

Mingo RD over Mill Branch is a steel culvert carrying Mingo RD over Mill Branch in Colbert County, Alabama. It was built in 2004, so it is 21 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 50 vehicles a day, projected to reach 75 by 2044. The structure is 30 ft (9.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMingo RD
CrossesMill Branch
LocationMill Branch on Mingo RD
RouteCounty Highway 9
StateAlabama
Coordinates34.63074, -88.12556
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans4
Design loadH 15
Structure length30 ft (9.2 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2006)
Projected traffic75 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollToll bridge segment under Secretarial agreement
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$506,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mingo RD over Mill Branch built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mingo RD over Mill Branch 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 June 2024.

How much traffic does Mingo RD over Mill Branch carry?

About 50 vehicles per day (2006 count).

How long is Mingo RD over Mill Branch?

The structure is 30 ft (9.2 m) long with a longest span of 6 ft (1.8 m).

Who owns Mingo RD over Mill Branch?

It is owned by the County Highway Agency.