US Bridges

County Road 423 over Spring Creek

Fair

Dawson County, Nebraska · 1.5E 5.5N of Cozad · Structure no. C002423120

Built
1992
33 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
40 ft
2 main spans
Daily traffic
40
2003 count
Owner
County
County Highway Agency

About this bridge

County Road 423 over Spring Creek is a steel culvert carrying County Road 423 over Spring Creek in Dawson County, Nebraska. It was built in 1992, so it is 33 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 5 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 40 vehicles a day, projected to reach 68 by 2033. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesCounty Road 423
CrossesSpring Creek
Location1.5E 5.5N of Cozad
RouteCounty Highway 231
CountyDawson County
StateNebraska
Coordinates40.94, -99.9383
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
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 traffic40 (2003)
Projected traffic68 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 423 over Spring Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is County Road 423 over Spring Creek 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 423 over Spring Creek carry?

About 40 vehicles per day (2003 count).

How long is County Road 423 over Spring Creek?

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

Who owns County Road 423 over Spring Creek?

It is owned by the County Highway Agency.