US Bridges

County Road 418 over Cnppid Canal

Good

Dawson County, Nebraska · 5S 2W of Cozad · Structure no. C002402105

Built
2023
2 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
185 ft
3 main spans
Daily traffic
100
2003 count
Owner
Local
Other Local Agency

About this bridge

County Road 418 over Cnppid Canal is a prestressed concrete continuous stringer/multi-beam or girder carrying County Road 418 over Cnppid Canal in Dawson County, Nebraska. It was built in 2023, so it is 2 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 170 by 2033. The structure is 185 ft (56.4 m) long and 27 ft wide. If it were closed, the detour would be 68.4 mi (110 km).

Location

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CarriesCounty Road 418
CrossesCnppid Canal
Location5S 2W of Cozad
RouteCounty Highway 21
CountyDawson County
StateNebraska
Coordinates40.7803, -100.0318
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 protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating5.4 US tons
Inventory rating4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length185 ft (56.4 m)
Longest span75 ft (22.9 m)
Deck width27 ft (8.1 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2003)
Projected traffic170 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed68.4 mi (110 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byOther Local 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 County Road 418 over Cnppid Canal built?

It was built in 2023, making it 2 years old in 2025.

What condition is County Road 418 over Cnppid 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 Road 418 over Cnppid Canal carry?

About 100 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is County Road 418 over Cnppid Canal?

The structure is 185 ft (56.4 m) long with a longest span of 75 ft (22.9 m) and a deck 27 ft wide.

Who owns County Road 418 over Cnppid Canal?

It is owned by the Other Local Agency.