US Bridges

CR-31 over Walker Branch

Good

St. Clair County, Alabama · 0.2 MI W Pl Hill Church · Structure no. 021620

Built
2022
3 years old
Condition
Good
inspected May 2024
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
920
2021 count
Owner
County
County Highway Agency

About this bridge

CR-31 over Walker Branch is a concrete channel beam carrying CR-31 over Walker Branch in St. Clair County, Alabama. It was built in 2022, so it is 3 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 920 vehicles a day, roughly 2% of them trucks, projected to reach 1,370 by 2041. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCR-31
CrossesWalker Branch
Location0.2 MI W Pl Hill Church
RouteCounty Highway 40
CountySt. Clair County
StateAlabama
Coordinates33.81978, -86.38299
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.2 US tons
Inventory rating41.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic920 (2021)
Projected traffic1,370 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$342,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR-31 over Walker Branch built?

It was built in 2022, making it 3 years old in 2025.

What condition is CR-31 over Walker 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 May 2024.

How much traffic does CR-31 over Walker Branch carry?

About 920 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is CR-31 over Walker Branch?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns CR-31 over Walker Branch?

It is owned by the County Highway Agency.