US Bridges

US30/N21 over Farmers&merchants Canal

Fair

Dawson County, Nebraska · In Cozad · Structure no. S030 22428

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
67 ft
5 main spans
Daily traffic
3,050
2018 count
Owner
State
State Highway Agency

About this bridge

US30/N21 over Farmers&merchants Canal is a concrete culvert carrying US30/N21 over Farmers&merchants Canal in Dawson County, Nebraska. It was built in 1985, so it is 40 years old, younger 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 6 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 3,050 vehicles a day, roughly 9% of them trucks, projected to reach 3,965 by 2038. The structure is 67 ft (20.4 m) long. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesUS30/N21
CrossesFarmers&merchants Canal
LocationIn Cozad
RouteU.S. Route 30
CountyDawson County
StateNebraska
Coordinates40.8542, -99.9773
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2018)
Projected traffic3,965 by 2038
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US30/N21 over Farmers&merchants Canal built?

It was built in 1985, making it 40 years old in 2025.

What condition is US30/N21 over Farmers&merchants 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 October 2023.

How much traffic does US30/N21 over Farmers&merchants Canal carry?

About 3,050 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is US30/N21 over Farmers&merchants Canal?

The structure is 67 ft (20.4 m) long with a longest span of 10 ft (3 m).

Who owns US30/N21 over Farmers&merchants Canal?

It is owned by the State Highway Agency.