US Bridges

I - 20/59 over Stream

Fair

Jefferson County, Alabama · .1 Mi. No. Al 79 · Structure no. 010869

Built
1973
52 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
36 ft
2 main spans
Daily traffic
140,400
2024 count
Owner
State
State Highway Agency

About this bridge

I - 20/59 over Stream is a concrete culvert carrying I - 20/59 over Stream in Jefferson County, Alabama. It was built in 1973, so it is 52 years old, older 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 5 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 140,400 vehicles a day, roughly 11% of them trucks, projected to reach 173,705 by 2044. The structure is 36 ft (11 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI - 20/59
CrossesStream
Location.1 Mi. No. Al 79
RouteInterstate 20
CountyJefferson County
StateAlabama
Coordinates33.54889, -86.77722
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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans2
Design loadHS 20
Structure length36 ft (11 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 traffic140,400 (2024)
Projected traffic173,705 by 2044
Trucks11%
Lanes on structure10
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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$5.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I - 20/59 over Stream built?

It was built in 1973, making it 52 years old in 2025.

What condition is I - 20/59 over Stream 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 - 20/59 over Stream carry?

About 140,400 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is I - 20/59 over Stream?

The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m).

Who owns I - 20/59 over Stream?

It is owned by the State Highway Agency.