US Bridges

FAS 1787 over Ainsworth Irrig Canal

GoodPosted for load

Brown County, Nebraska · In Ainsworth · Structure no. C000913705

Built
1963
62 years old, rebuilt 2018
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
41 ft
2 main spans
Daily traffic
455
2011 count
Owner
County
County Highway Agency

About this bridge

FAS 1787 over Ainsworth Irrig Canal is a concrete stringer/multi-beam or girder carrying FAS 1787 over Ainsworth Irrig Canal in Brown County, Nebraska. It was built in 1963 and reconstructed in 2018, so it is 62 years old, older 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. Its operating status is: posted for load restriction.

It carries about 455 vehicles a day, projected to reach 455 by 2033. The structure is 41 ft (12.5 m) long and 25 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesFAS 1787
CrossesAinsworth Irrig Canal
LocationIn Ainsworth
RouteCounty Highway 1787
Coordinates42.555, -99.853
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.7 US tons
Inventory rating12.1 US tons

Structure

MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 15
Structure length41 ft (12.5 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic455 (2011)
Projected traffic455 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 1787 over Ainsworth Irrig Canal built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2018.

What condition is FAS 1787 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 FAS 1787 over Ainsworth Irrig Canal carry?

About 455 vehicles per day (2011 count).

How long is FAS 1787 over Ainsworth Irrig Canal?

The structure is 41 ft (12.5 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns FAS 1787 over Ainsworth Irrig Canal?

It is owned by the County Highway Agency.