US Bridges

County Highway over Ainsworth Irrig Canal

Good

Brown County, Nebraska · .2N 2W of Ainsworth · Structure no. C000913105

Built
2016
9 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
47 ft
2 main spans
Daily traffic
15
2003 count
Owner
County
County Highway Agency

About this bridge

County Highway over Ainsworth Irrig Canal is a concrete stringer/multi-beam or girder carrying County Highway over Ainsworth Irrig Canal in Brown County, Nebraska. It was built in 2016, so it is 9 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, projected to reach 25 by 2033. The structure is 47 ft (14.4 m) long and 26 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesCounty Highway
CrossesAinsworth Irrig Canal
Location.2N 2W of Ainsworth
RouteCounty Highway 131
CountyBrown County
StateNebraska
Coordinates42.56, -99.91
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length47 ft (14.4 m)
Longest span24 ft (7.2 m)
Deck width26 ft (7.8 m)
Roadway width23 ft (7.1 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 Ainsworth Irrig Canal built?

It was built in 2016, making it 9 years old in 2025.

What condition is County Highway over Ainsworth Irrig Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does County Highway over Ainsworth Irrig Canal carry?

About 15 vehicles per day (2003 count).

How long is County Highway over Ainsworth Irrig Canal?

The structure is 47 ft (14.4 m) long with a longest span of 24 ft (7.2 m) and a deck 26 ft wide.

Who owns County Highway over Ainsworth Irrig Canal?

It is owned by the County Highway Agency.