US Bridges

County Highway over Interstate Canal

Fair

Sioux County, Nebraska · 14E 4N of Henry · Structure no. C008302905

Built
1908
117 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
10
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Interstate Canal is a concrete culvert carrying County Highway over Interstate Canal in Sioux County, Nebraska. It was built in 1908, so it is 117 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 10 vehicles a day, projected to reach 17 by 2033. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesCounty Highway
CrossesInterstate Canal
Location14E 4N of Henry
RouteCounty Highway 29
CountySioux County
StateNebraska
Coordinates42.06, -103.7767
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length22 ft (6.7 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 traffic10 (2003)
Projected traffic17 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 1908, making it 117 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 10 vehicles per day (2003 count).

How long is County Highway over Interstate Canal?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns County Highway over Interstate Canal?

It is owned by the County Highway Agency.