US Bridges

County Road 720 over Red Willow Canal

Fair

Red Willow County, Nebraska · 7.2 MI NE of Mccook · Structure no. NKA-RW-002

Built
1955
70 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
46 ft
2 main spans
Daily traffic
5
2014 count
Owner
Federal
Bureau of Reclamation

About this bridge

County Road 720 over Red Willow Canal is a wood or timber stringer/multi-beam or girder carrying County Road 720 over Red Willow Canal in Red Willow County, Nebraska. It was built in 1955, so it is 70 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 5 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 5 vehicles a day, projected to reach 6 by 2046. The structure is 46 ft (14 m) long and 20 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesCounty Road 720
CrossesRed Willow Canal
Location7.2 MI NE of Mccook
RouteCounty Highway 0
CountyRed Willow County
StateNebraska
Coordinates40.26333, -100.51635
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating39.2 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length46 ft (14 m)
Longest span23 ft (6.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2014)
Projected traffic6 by 2046
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byOther Local 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 Road 720 over Red Willow Canal built?

It was built in 1955, making it 70 years old in 2025.

What condition is County Road 720 over Red Willow 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 April 2024.

How much traffic does County Road 720 over Red Willow Canal carry?

About 5 vehicles per day (2014 count).

How long is County Road 720 over Red Willow Canal?

The structure is 46 ft (14 m) long with a longest span of 23 ft (6.9 m) and a deck 20 ft wide.

Who owns County Road 720 over Red Willow Canal?

It is owned by the Bureau of Reclamation and maintained by the Other Local Agency.