US Bridges

CR7 Humpback Road over CR 7 Br of Chestnut Crk

Good

Chilton County, Alabama · CR7 .2 M SW Maples Spr Ch · Structure no. 016507

Built
1971
54 years old, rebuilt 1992
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
20 ft
2 main spans
Daily traffic
100
1999 count
Owner
County
County Highway Agency

About this bridge

CR7 Humpback Road over CR 7 Br of Chestnut Crk is a concrete culvert carrying CR7 Humpback Road over CR 7 Br of Chestnut Crk in Chilton County, Alabama. It was built in 1971 and reconstructed in 1992, so it is 54 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 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 100 vehicles a day, projected to reach 300 by 2029. The structure is 20 ft (6.1 m) long and 20 ft wide.

CarriesCR7 Humpback Road
CrossesCR 7 Br of Chestnut Crk
LocationCR7 .2 M SW Maples Spr Ch
RouteCounty Highway 0
StateAlabama
Coordinates32.7906, -86.60034
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 protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length20 ft (6.1 m)
Longest span10 ft (3 m)
Deck width20 ft (6.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic100 (1999)
Projected traffic300 by 2029
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$341,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CR7 Humpback Road over CR 7 Br of Chestnut Crk built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1992.

What condition is CR7 Humpback Road over CR 7 Br of Chestnut Crk 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 February 2025.

How much traffic does CR7 Humpback Road over CR 7 Br of Chestnut Crk carry?

About 100 vehicles per day (1999 count).

How long is CR7 Humpback Road over CR 7 Br of Chestnut Crk?

The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m) and a deck 20 ft wide.

Who owns CR7 Humpback Road over CR 7 Br of Chestnut Crk?

It is owned by the County Highway Agency.