US Bridges

CR456 over Walnut Creek

Good

Chilton County, Alabama · CR456 1 MI N/W Refuge Ch · Structure no. 018177

Built
1955
70 years old, rebuilt 2001
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
2 main spans
Daily traffic
100
2001 count
Owner
County
County Highway Agency

About this bridge

CR456 over Walnut Creek is a steel stringer/multi-beam or girder carrying CR456 over Walnut Creek in Chilton County, Alabama. It was built in 1955 and reconstructed in 2001, so it is 70 years old, older 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 100 vehicles a day, projected to reach 125 by 2030. The structure is 60 ft (18.3 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR456
CrossesWalnut Creek
LocationCR456 1 MI N/W Refuge Ch
RouteCounty Highway 0
CountyChilton County
StateAlabama
Coordinates32.89038, -86.57921
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating66.6 US tons
Inventory rating39.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans2
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2001)
Projected traffic125 by 2030
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$307,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR456 over Walnut Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2001.

What condition is CR456 over Walnut 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 December 2024.

How much traffic does CR456 over Walnut Creek carry?

About 100 vehicles per day (2001 count).

How long is CR456 over Walnut Creek?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 16 ft wide.

Who owns CR456 over Walnut Creek?

It is owned by the County Highway Agency.