US Bridges

Clay-Palmerdale RD over Dry Creek

Good

Jefferson County, Alabama · 1.5 MI W Al 75 · Structure no. 008929

Built
1965
60 years old
Condition
Good
inspected February 2025
Type
Slab
Concrete Continuous
Length
53 ft
2 main spans
Daily traffic
3,172
2025 count
Owner
County
County Highway Agency

About this bridge

Clay-Palmerdale RD over Dry Creek is a concrete continuous slab carrying Clay-Palmerdale RD over Dry 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 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 3,172 vehicles a day, roughly 19% of them trucks, projected to reach 3,525 by 2045. The structure is 53 ft (16.2 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesClay-Palmerdale RD
CrossesDry Creek
Location1.5 MI W Al 75
RouteCounty Highway 357
StateAlabama
Coordinates33.72438, -86.62725
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length53 ft (16.2 m)
Longest span22 ft (6.8 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,172 (2025)
Projected traffic3,525 by 2045
Trucks19%
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$540,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Clay-Palmerdale RD over Dry Creek built?

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

What condition is Clay-Palmerdale RD over Dry 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 February 2025.

How much traffic does Clay-Palmerdale RD over Dry Creek carry?

About 3,172 vehicles per day (2025 count), of which roughly 19% are trucks.

How long is Clay-Palmerdale RD over Dry Creek?

The structure is 53 ft (16.2 m) long with a longest span of 22 ft (6.8 m) and a deck 31 ft wide.

Who owns Clay-Palmerdale RD over Dry Creek?

It is owned by the County Highway Agency.