US Bridges

County Road 414 over Nppid Canal

Fair

Dawson County, Nebraska · 2NE of Gothenburg · Structure no. C002411315

Built
1935
90 years old, rebuilt 1975
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
60
2003 count
Owner
Local
Other Local Agency

About this bridge

County Road 414 over Nppid Canal is a concrete slab carrying County Road 414 over Nppid Canal in Dawson County, Nebraska. It was built in 1935 and reconstructed in 1975, so it is 90 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 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 60 vehicles a day, projected to reach 84 by 2033. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

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CarriesCounty Road 414
CrossesNppid Canal
Location2NE of Gothenburg
RouteCounty Highway 113
CountyDawson County
StateNebraska
Coordinates40.955, -100.11
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2003)
Projected traffic84 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

OwnerOther Local Agency
Maintained byOther Local 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 414 over Nppid Canal built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1975.

What condition is County Road 414 over Nppid Canal 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 County Road 414 over Nppid Canal carry?

About 60 vehicles per day (2003 count).

How long is County Road 414 over Nppid Canal?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 30 ft wide.

Who owns County Road 414 over Nppid Canal?

It is owned by the Other Local Agency.