US Bridges

Co. Rd. 29 over Blackwater Creek

Fair

Walker County, Alabama · .4 Ml. West City Limits · Structure no. 011424

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
400
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Co. Rd. 29 over Blackwater Creek is a steel stringer/multi-beam or girder carrying Co. Rd. 29 over Blackwater Creek in Walker County, Alabama. It was built in 1975, so it is 50 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 400 vehicles a day, roughly 2% of them trucks, projected to reach 600 by 2043. The structure is 28 ft (8.5 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCo. Rd. 29
CrossesBlackwater Creek
Location.4 Ml. West City Limits
RouteCity Street 0
CountyWalker County
StateAlabama
Coordinates33.98333, -87.48333
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length28 ft (8.5 m)
Longest span28 ft (8.5 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic600 by 2043
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$251,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Rd. 29 over Blackwater Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Co. Rd. 29 over Blackwater Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does Co. Rd. 29 over Blackwater Creek carry?

About 400 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Co. Rd. 29 over Blackwater Creek?

The structure is 28 ft (8.5 m) long with a longest span of 28 ft (8.5 m) and a deck 22 ft wide.

Who owns Co. Rd. 29 over Blackwater Creek?

It is owned by the City or Municipal Highway Agency.