US Bridges

Nix RD over Unnamed Creek

Good

Walker County, Alabama · CO RD 11 No. of Corr X · Structure no. 018108

Built
2004
21 years old
Condition
Good
inspected December 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,000
2004 count
Owner
County
County Highway Agency

About this bridge

Nix RD over Unnamed Creek is a concrete culvert carrying Nix RD over Unnamed Creek in Walker 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 1% of them trucks, projected to reach 1,800 by 2031. The structure is 21 ft (6.4 m) long and 999 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNix RD
CrossesUnnamed Creek
LocationCO RD 11 No. of Corr X
RouteCounty Highway 11
CountyWalker County
StateAlabama
Coordinates33.91361, -87.50056
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating75.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span11 ft (3.4 m)
Deck width999 ft (304.5 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic1,000 (2004)
Projected traffic1,800 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a toll 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$1.6 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nix RD over Unnamed Creek built?

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

What condition is Nix RD over Unnamed 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 2023.

How much traffic does Nix RD over Unnamed Creek carry?

About 1,000 vehicles per day (2004 count), of which roughly 1% are trucks.

How long is Nix RD over Unnamed Creek?

The structure is 21 ft (6.4 m) long with a longest span of 11 ft (3.4 m) and a deck 999 ft wide.

Who owns Nix RD over Unnamed Creek?

It is owned by the County Highway Agency.