US Bridges

I-20 over Stream

Fair

Calhoun County, Alabama · 1 Mi. West of AL.21 · Structure no. 018731

Built
2003
22 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
57 ft
4 main spans
Daily traffic
47,103
2023 count
Owner
State
State Highway Agency

About this bridge

I-20 over Stream is a concrete culvert carrying I-20 over Stream in Calhoun County, Alabama. It was built in 2003, so it is 22 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 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 47,103 vehicles a day, roughly 30% of them trucks, projected to reach 65,944 by 2043. The structure is 57 ft (17.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-20
CrossesStream
Location1 Mi. West of AL.21
RouteInterstate 20
StateAlabama
Coordinates33.59249, -85.86119
Functional classRural 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating89.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,103 (2023)
Projected traffic65,944 by 2043
Trucks30%
Lanes on structure6
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$3.6 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was I-20 over Stream built?

It was built in 2003, making it 22 years old in 2025.

What condition is I-20 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 October 2024.

How much traffic does I-20 over Stream carry?

About 47,103 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is I-20 over Stream?

The structure is 57 ft (17.4 m) long with a longest span of 12 ft (3.7 m).

Who owns I-20 over Stream?

It is owned by the State Highway Agency.