US Bridges

I - 459 over Drainage Ditch

Fair

Jefferson County, Alabama · I 459 * CO RD 18 · Structure no. 012699

Built
1982
43 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
52,730
2024 count
Owner
State
State Highway Agency

About this bridge

I - 459 over Drainage Ditch is a concrete culvert carrying I - 459 over Drainage Ditch in Jefferson County, Alabama. It was built in 1982, so it is 43 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 52,730 vehicles a day, roughly 20% of them trucks, projected to reach 66,673 by 2044. The structure is 32 ft (9.9 m) long.

CarriesI - 459
CrossesDrainage Ditch
LocationI 459 * CO RD 18
RouteInterstate 459
StateAlabama
Coordinates33.33294, -86.99916
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.1 US tons
Inventory rating56.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,730 (2024)
Projected traffic66,673 by 2044
Trucks20%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free 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 proposedNone recorded
Estimated improvement cost$10 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I - 459 over Drainage Ditch built?

It was built in 1982, making it 43 years old in 2025.

What condition is I - 459 over Drainage Ditch 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 February 2024.

How much traffic does I - 459 over Drainage Ditch carry?

About 52,730 vehicles per day (2024 count), of which roughly 20% are trucks.

How long is I - 459 over Drainage Ditch?

The structure is 32 ft (9.9 m) long with a longest span of 8 ft (2.4 m).

Who owns I - 459 over Drainage Ditch?

It is owned by the State Highway Agency.