US Bridges

Flyover B over Patton Ck

Fair

Jefferson County, Alabama · Culvert @ Flyover · Structure no. 017887

Built
2001
24 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
6,997
2023 count
Owner
State
State Highway Agency

About this bridge

Flyover B over Patton Ck is a concrete culvert carrying Flyover B over Patton Ck in Jefferson County, Alabama. It was built in 2001, so it is 24 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 6,997 vehicles a day, roughly 17% of them trucks, projected to reach 8,847 by 2043. The structure is 34 ft (10.4 m) long and 999 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFlyover B
CrossesPatton Ck
LocationCulvert @ Flyover
RouteInterstate 459
CountyJefferson County
StateAlabama
Coordinates33.38058, -86.81528
Functional classUrban Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating98 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 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 traffic6,997 (2023)
Projected traffic8,847 by 2043
Trucks17%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$15.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Flyover B over Patton Ck built?

It was built in 2001, making it 24 years old in 2025.

What condition is Flyover B over Patton Ck 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 June 2023.

How much traffic does Flyover B over Patton Ck carry?

About 6,997 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Flyover B over Patton Ck?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 999 ft wide.

Who owns Flyover B over Patton Ck?

It is owned by the State Highway Agency.