US Bridges

I 59/20 Ramp over Oppossum Creek

Fair

Jefferson County, Alabama · I 59 Ramp to Valley RD · Structure no. 012312

Built
1980
45 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
92 ft
7 main spans
Daily traffic
6,130
2024 count
Owner
State
State Highway Agency

About this bridge

I 59/20 Ramp over Oppossum Creek is a concrete culvert carrying I 59/20 Ramp over Oppossum Creek in Jefferson County, Alabama. It was built in 1980, so it is 45 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 6,130 vehicles a day, roughly 14% of them trucks, projected to reach 7,584 by 2044. The structure is 92 ft (28 m) long.

Location

Open in Google Maps
CarriesI 59/20 Ramp
CrossesOppossum Creek
LocationI 59 Ramp to Valley RD
RouteInterstate 20
CountyJefferson County
StateAlabama
Coordinates33.46111, -86.945
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 alignment7: Better than present minimum criteria
Operating rating48.2 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadHS 20
Structure length92 ft (28 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 traffic6,130 (2024)
Projected traffic7,584 by 2044
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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$3.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I 59/20 Ramp over Oppossum Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is I 59/20 Ramp over Oppossum 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 July 2024.

How much traffic does I 59/20 Ramp over Oppossum Creek carry?

About 6,130 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is I 59/20 Ramp over Oppossum Creek?

The structure is 92 ft (28 m) long with a longest span of 10 ft (3 m).

Who owns I 59/20 Ramp over Oppossum Creek?

It is owned by the State Highway Agency.