US Bridges

Carson Road over Black Creek

Fair

Jefferson County, Alabama · 1 MI NE Pinehill RD · Structure no. 016694

Built
1965
60 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
6,825
2025 count
Owner
County
County Highway Agency

About this bridge

Carson Road over Black Creek is a concrete continuous culvert carrying Carson Road over Black Creek in Jefferson County, Alabama. It was built in 1965, so it is 60 years old, older 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 6,825 vehicles a day, roughly 16% of them trucks, projected to reach 9,500 by 2045. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCarson Road
CrossesBlack Creek
Location1 MI NE Pinehill RD
RouteCounty Highway 0
CountyJefferson County
StateAlabama
Coordinates33.64013, -86.76846
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,825 (2025)
Projected traffic9,500 by 2045
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$963,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Carson Road over Black Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Carson Road over Black 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 January 2025.

How much traffic does Carson Road over Black Creek carry?

About 6,825 vehicles per day (2025 count), of which roughly 16% are trucks.

How long is Carson Road over Black Creek?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Carson Road over Black Creek?

It is owned by the County Highway Agency.