US Bridges

County Highway over Interstate Canal

Fair

Sioux County, Nebraska · 4N 5E of Henry · Structure no. C008301105

Built
1978
47 years old
Condition
Fair
inspected November 2023
Type
Channel Beam
Concrete
Length
73 ft
2 main spans
Daily traffic
15
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Interstate Canal is a concrete channel beam carrying County Highway over Interstate Canal in Sioux County, Nebraska. It was built in 1978, so it is 47 years old, younger 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 15 vehicles a day, projected to reach 25 by 2033. The structure is 73 ft (22.3 m) long and 24 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesCounty Highway
CrossesInterstate Canal
Location4N 5E of Henry
RouteCounty Highway 13
CountySioux County
StateNebraska
Coordinates42.0583, -103.9517
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.4 US tons
Inventory rating26.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length73 ft (22.3 m)
Longest span36 ft (11 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2003)
Projected traffic25 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Interstate Canal built?

It was built in 1978, making it 47 years old in 2025.

What condition is County Highway over Interstate Canal 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 November 2023.

How much traffic does County Highway over Interstate Canal carry?

About 15 vehicles per day (2003 count).

How long is County Highway over Interstate Canal?

The structure is 73 ft (22.3 m) long with a longest span of 36 ft (11 m) and a deck 24 ft wide.

Who owns County Highway over Interstate Canal?

It is owned by the County Highway Agency.