US Bridges

NB-N71 over Lodgepole Creek Trib

Fair

Kimball County, Nebraska · 6N Kimball · Structure no. S071 02204R

Built
1989
36 years old
Condition
Fair
inspected September 2021
Type
Slab
Concrete Continuous
Length
122 ft
3 main spans
Daily traffic
2,220
2018 count
Owner
State
State Highway Agency

About this bridge

NB-N71 over Lodgepole Creek Trib is a concrete continuous slab carrying NB-N71 over Lodgepole Creek Trib in Kimball County, Nebraska. It was built in 1989, so it is 36 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 2,220 vehicles a day, roughly 15% of them trucks, projected to reach 3,108 by 2038. The structure is 122 ft (37.2 m) long and 46 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

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CarriesNB-N71
CrossesLodgepole Creek Trib
Location6N Kimball
RouteState Highway 71
CountyKimball County
StateNebraska
Coordinates41.3151, -103.6638
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating44.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span48 ft (14.6 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,220 (2018)
Projected traffic3,108 by 2038
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 NB-N71 over Lodgepole Creek Trib built?

It was built in 1989, making it 36 years old in 2025.

What condition is NB-N71 over Lodgepole Creek Trib 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 2021.

How much traffic does NB-N71 over Lodgepole Creek Trib carry?

About 2,220 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is NB-N71 over Lodgepole Creek Trib?

The structure is 122 ft (37.2 m) long with a longest span of 48 ft (14.6 m) and a deck 46 ft wide.

Who owns NB-N71 over Lodgepole Creek Trib?

It is owned by the State Highway Agency.