US Bridges

N71 over Sidney Draw Tributary

Fair

Kimball County, Nebraska · 7S Kimball · Structure no. S071 00937

Built
1990
35 years old
Condition
Fair
inspected October 2021
Type
Slab
Concrete Continuous
Length
92 ft
3 main spans
Daily traffic
1,490
2018 count
Owner
State
State Highway Agency

About this bridge

N71 over Sidney Draw Tributary is a concrete continuous slab carrying N71 over Sidney Draw Tributary in Kimball County, Nebraska. It was built in 1990, so it is 35 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 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 1,490 vehicles a day, roughly 20% of them trucks, projected to reach 2,086 by 2038. The structure is 92 ft (28 m) long and 38 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesN71
CrossesSidney Draw Tributary
Location7S Kimball
RouteState Highway 71
CountyKimball County
StateNebraska
Coordinates41.1315, -103.6633
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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating86 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length92 ft (28 m)
Longest span36 ft (11 m)
Deck width38 ft (11.7 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,490 (2018)
Projected traffic2,086 by 2038
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Tributary built?

It was built in 1990, making it 35 years old in 2025.

What condition is N71 over Sidney Draw Tributary 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 2021.

How much traffic does N71 over Sidney Draw Tributary carry?

About 1,490 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is N71 over Sidney Draw Tributary?

The structure is 92 ft (28 m) long with a longest span of 36 ft (11 m) and a deck 38 ft wide.

Who owns N71 over Sidney Draw Tributary?

It is owned by the State Highway Agency.