US Bridges

County Road 764 over Field Drain

Good

Dawson County, Nebraska · 3N 3.2E of Cozad · Structure no. C002412203

Built
1982
43 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
51 ft
2 main spans
Daily traffic
50
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 764 over Field Drain is a concrete culvert carrying County Road 764 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 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 50 vehicles a day, projected to reach 85 by 2033. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesCounty Road 764
CrossesField Drain
Location3N 3.2E of Cozad
RouteCounty Highway 122
CountyDawson County
StateNebraska
Coordinates40.9033, -99.9167
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 loadH 20
Structure length51 ft (15.5 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2003)
Projected traffic85 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 764 over Field Drain built?

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

What condition is County Road 764 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 764 over Field Drain carry?

About 50 vehicles per day (2003 count).

How long is County Road 764 over Field Drain?

The structure is 51 ft (15.5 m) long with a longest span of 16 ft (4.9 m).

Who owns County Road 764 over Field Drain?

It is owned by the County Highway Agency.