US Bridges

Road 435 over Dawson CO Drain 1

Good

Dawson County, Nebraska · _ · Structure no. C002415510

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,441
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Road 435 over Dawson CO Drain 1 is a concrete culvert carrying Road 435 over Dawson CO Drain 1 in Dawson County, Nebraska. It was built in 2021, so it is 4 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,441 vehicles a day, roughly 10% of them trucks, projected to reach 3,655 by 2040. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 12.4 mi (20 km).

CarriesRoad 435
CrossesDawson CO Drain 1
Location_
RouteCounty Highway 0
Coordinates40.7612, -99.711
Functional classRural Major Collector

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.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.8 US tons
Inventory rating23.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,441 (2020)
Projected traffic3,655 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Road 435 over Dawson CO Drain 1 built?

It was built in 2021, making it 4 years old in 2025.

What condition is Road 435 over Dawson CO Drain 1 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 October 2023.

How much traffic does Road 435 over Dawson CO Drain 1 carry?

About 1,441 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Road 435 over Dawson CO Drain 1?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Road 435 over Dawson CO Drain 1?

It is owned by the City or Municipal Highway Agency.