US Bridges

N71 over Sidney Draw

Fair

Kimball County, Nebraska · 16S Kimball · Structure no. S071 00049

Built
1960
65 years old, rebuilt 1989
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
121 ft
3 main spans
Daily traffic
1,300
2018 count
Owner
State
State Highway Agency

About this bridge

N71 over Sidney Draw is a concrete continuous slab carrying N71 over Sidney Draw in Kimball County, Nebraska. It was built in 1960 and reconstructed in 1989, so it is 65 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 1,300 vehicles a day, roughly 17% of them trucks, projected to reach 1,820 by 2038. The structure is 121 ft (36.9 m) long and 38 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesN71
CrossesSidney Draw
Location16S Kimball
RouteState Highway 71
CountyKimball County
StateNebraska
Coordinates41.0089, -103.6878
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.5 US tons
Inventory rating48.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span47 ft (14.3 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2018)
Projected traffic1,820 by 2038
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemYes

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 N71 over Sidney Draw built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1989.

What condition is N71 over Sidney Draw 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 2023.

How much traffic does N71 over Sidney Draw carry?

About 1,300 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is N71 over Sidney Draw?

The structure is 121 ft (36.9 m) long with a longest span of 47 ft (14.3 m) and a deck 38 ft wide.

Who owns N71 over Sidney Draw?

It is owned by the State Highway Agency.