US Bridges

N47 over Cozad Canal Tributary

Good

Dawson County, Nebraska · 5N Gothenburg · Structure no. S047 06804

Built
1961
64 years old, rebuilt 1991
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
1,475
2018 count
Owner
State
State Highway Agency

About this bridge

N47 over Cozad Canal Tributary is a concrete continuous slab carrying N47 over Cozad Canal Tributary in Dawson County, Nebraska. It was built in 1961 and reconstructed in 1991, so it is 64 years old, older 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 1,475 vehicles a day, roughly 8% of them trucks, projected to reach 1,991 by 2038. The structure is 102 ft (31.1 m) long and 38 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN47
CrossesCozad Canal Tributary
Location5N Gothenburg
RouteState Highway 47
Coordinates41, -100.1669
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.7 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span41 ft (12.5 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,475 (2018)
Projected traffic1,991 by 2038
Trucks8%
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

OwnerState Highway Agency
Maintained byState 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 N47 over Cozad Canal Tributary built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1991.

What condition is N47 over Cozad Canal Tributary 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 N47 over Cozad Canal Tributary carry?

About 1,475 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is N47 over Cozad Canal Tributary?

The structure is 102 ft (31.1 m) long with a longest span of 41 ft (12.5 m) and a deck 38 ft wide.

Who owns N47 over Cozad Canal Tributary?

It is owned by the State Highway Agency.