US Bridges

Bobo Section RD over Mill Branch

Good

Madison County, Alabama · 0.5 MI N JCT US HWY 231 · Structure no. 013407

Built
1984
41 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
1,407
2002 count
Owner
County
County Highway Agency

About this bridge

Bobo Section RD over Mill Branch is a concrete culvert carrying Bobo Section RD over Mill Branch in Madison County, Alabama. It was built in 1984, so it is 41 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,407 vehicles a day, roughly 1% of them trucks, projected to reach 1,688 by 2035. The structure is 33 ft (10.1 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBobo Section RD
CrossesMill Branch
Location0.5 MI N JCT US HWY 231
RouteCounty Highway 239
StateAlabama
Coordinates34.96031, -86.57183
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.2 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width35 ft (10.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,407 (2002)
Projected traffic1,688 by 2035
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$374,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bobo Section RD over Mill Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Bobo Section RD over Mill Branch 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 July 2024.

How much traffic does Bobo Section RD over Mill Branch carry?

About 1,407 vehicles per day (2002 count), of which roughly 1% are trucks.

How long is Bobo Section RD over Mill Branch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 35 ft wide.

Who owns Bobo Section RD over Mill Branch?

It is owned by the County Highway Agency.