US Bridges

Powder Plant Road over Moores Brook

Fair

Jefferson County, Alabama · 1 MI NE Mccalla · Structure no. 012589

Built
1981
44 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
104 ft
2 main spans
Daily traffic
2,500
2023 count
Owner
County
County Highway Agency

About this bridge

Powder Plant Road over Moores Brook is a prestressed concrete box beam or girders - multiple carrying Powder Plant Road over Moores Brook in Jefferson County, Alabama. It was built in 1981, so it is 44 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 2,500 vehicles a day, roughly 5% of them trucks, projected to reach 3,500 by 2043. The structure is 104 ft (31.8 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesPowder Plant Road
CrossesMoores Brook
Location1 MI NE Mccalla
RouteCounty Highway 47
CountyJefferson County
StateAlabama
Coordinates33.34325, -87.01283
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating28.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length104 ft (31.8 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic3,500 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$975,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Powder Plant Road over Moores Brook built?

It was built in 1981, making it 44 years old in 2025.

What condition is Powder Plant Road over Moores Brook 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 November 2023.

How much traffic does Powder Plant Road over Moores Brook carry?

About 2,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Powder Plant Road over Moores Brook?

The structure is 104 ft (31.8 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns Powder Plant Road over Moores Brook?

It is owned by the County Highway Agency.