US Bridges

US20 over Stream

Fair

Dakota County, Nebraska · 1W Jackson · Structure no. S020 42073

Built
1955
70 years old, rebuilt 1989
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
5,645
2018 count
Owner
State
State Highway Agency

About this bridge

US20 over Stream is a concrete culvert carrying US20 over Stream in Dakota County, Nebraska. It was built in 1955 and reconstructed in 1989, so it is 70 years old, older than the Nebraska average of 47.1 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 5,645 vehicles a day, roughly 21% of them trucks, projected to reach 7,621 by 2038. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesUS20
CrossesStream
Location1W Jackson
RouteU.S. Route 20
CountyDakota County
StateNebraska
Coordinates42.4538, -96.5928
Functional classRural Principal Arterial - Other

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 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 traffic5,645 (2018)
Projected traffic7,621 by 2038
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US20 over Stream built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1989.

What condition is US20 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 September 2024.

How much traffic does US20 over Stream carry?

About 5,645 vehicles per day (2018 count), of which roughly 21% are trucks.

How long is US20 over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns US20 over Stream?

It is owned by the State Highway Agency.