US Bridges

Collector RC4Y over Mirage Flats Canal

Good

Sheridan County, Nebraska · 10.5S 6E Hay Springs · Structure no. C008142315

Built
2001
24 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
25
2001 count
Owner
County
County Highway Agency

About this bridge

Collector RC4Y over Mirage Flats Canal is a steel stringer/multi-beam or girder carrying Collector RC4Y over Mirage Flats Canal in Sheridan County, Nebraska. It was built in 2001, so it is 24 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 28 by 2033. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 87 mi (140 km).

CarriesCollector RC4Y
CrossesMirage Flats Canal
Location10.5S 6E Hay Springs
RouteCounty Highway 0RC4
Coordinates42.498, -102.6943
Functional classRural Minor 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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating44.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2001)
Projected traffic28 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed87 mi (140 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 Collector RC4Y over Mirage Flats Canal built?

It was built in 2001, making it 24 years old in 2025.

What condition is Collector RC4Y over Mirage Flats 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 November 2024.

How much traffic does Collector RC4Y over Mirage Flats Canal carry?

About 25 vehicles per day (2001 count).

How long is Collector RC4Y over Mirage Flats Canal?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 29 ft wide.

Who owns Collector RC4Y over Mirage Flats Canal?

It is owned by the County Highway Agency.