US Bridges

CO RD 421/FAS 1725 over Drainage Ditch

Fair

Dawson County, Nebraska · Wjct US30/N21 .9N · Structure no. C002422710

Built
1957
68 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
40 ft
2 main spans
Daily traffic
1,010
2011 count
Owner
County
County Highway Agency

About this bridge

CO RD 421/FAS 1725 over Drainage Ditch is a concrete culvert carrying CO RD 421/FAS 1725 over Drainage Ditch in Dawson County, Nebraska. It was built in 1957, so it is 68 years old, older 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 1,010 vehicles a day, projected to reach 1,010 by 2033. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesCO RD 421/FAS 1725
CrossesDrainage Ditch
LocationWjct US30/N21 .9N
RouteCounty Highway 1725
CountyDawson County
StateNebraska
Coordinates40.8703, -99.9769
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 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 length40 ft (12.2 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,010 (2011)
Projected traffic1,010 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 CO RD 421/FAS 1725 over Drainage Ditch built?

It was built in 1957, making it 68 years old in 2025.

What condition is CO RD 421/FAS 1725 over Drainage Ditch 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 2024.

How much traffic does CO RD 421/FAS 1725 over Drainage Ditch carry?

About 1,010 vehicles per day (2011 count).

How long is CO RD 421/FAS 1725 over Drainage Ditch?

The structure is 40 ft (12.2 m) long with a longest span of 14 ft (4.3 m).

Who owns CO RD 421/FAS 1725 over Drainage Ditch?

It is owned by the County Highway Agency.