US Bridges

County Road 422 over Field Drain

Good

Dawson County, Nebraska · 1E 3.2N of Cozad · Structure no. C002412920

Built
1964
61 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
35
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 422 over Field Drain is a concrete culvert carrying County Road 422 over Field Drain in Dawson County, Nebraska. It was built in 1964, so it is 61 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 59 by 2033. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesCounty Road 422
CrossesField Drain
Location1E 3.2N of Cozad
RouteCounty Highway 130
Coordinates40.905, -99.9567
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 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 rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2003)
Projected traffic59 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 422 over Field Drain built?

It was built in 1964, making it 61 years old in 2025.

What condition is County Road 422 over Field Drain 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 September 2024.

How much traffic does County Road 422 over Field Drain carry?

About 35 vehicles per day (2003 count).

How long is County Road 422 over Field Drain?

The structure is 33 ft (10.1 m) long with a longest span of 15 ft (4.6 m).

Who owns County Road 422 over Field Drain?

It is owned by the County Highway Agency.