US Bridges

County Road 424 over Field Drain

Fair

Dawson County, Nebraska · 2N 3E of Cozad · Structure no. C002413310

Built
1982
43 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
22 ft
1 main span
Daily traffic
110
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 424 over Field Drain is a concrete channel beam carrying County Road 424 over Field Drain in Dawson County, Nebraska. It was built in 1982, so it is 43 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 110 vehicles a day, roughly 10% of them trucks, projected to reach 187 by 2033. The structure is 22 ft (6.7 m) long and 36 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesCounty Road 424
CrossesField Drain
Location2N 3E of Cozad
RouteCounty Highway 133
CountyDawson County
StateNebraska
Coordinates40.9033, -99.9183
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2003)
Projected traffic187 by 2033
Trucks10%
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 424 over Field Drain built?

It was built in 1982, making it 43 years old in 2025.

What condition is County Road 424 over Field Drain 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 September 2024.

How much traffic does County Road 424 over Field Drain carry?

About 110 vehicles per day (2003 count), of which roughly 10% are trucks.

How long is County Road 424 over Field Drain?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns County Road 424 over Field Drain?

It is owned by the County Highway Agency.