US Bridges

County Highway over Walnut Creek

Fair

Nuckolls County, Nebraska · 6E 1.1N Lawrence · Structure no. C006521535

Built
1990
35 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
22 ft
1 main span
Daily traffic
15
1997 count
Owner
County
County Highway Agency

About this bridge

County Highway over Walnut Creek is a prestressed concrete tee beam carrying County Highway over Walnut Creek in Nuckolls 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 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 15 vehicles a day, projected to reach 25 by 2033. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesCounty Highway
CrossesWalnut Creek
Location6E 1.1N Lawrence
RouteCounty Highway 215
Coordinates40.3081, -98.143
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 rating24.3 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1997)
Projected traffic25 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

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County Highway over Walnut Creek built?

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

What condition is County Highway over Walnut Creek 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 August 2024.

How much traffic does County Highway over Walnut Creek carry?

About 15 vehicles per day (1997 count).

How long is County Highway over Walnut Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m) and a deck 30 ft wide.

Who owns County Highway over Walnut Creek?

It is owned by the County Highway Agency.