US Bridges

N23 over Red Willow Creek

Good

Lincoln County, Nebraska · 2E Wallace · Structure no. S023 05016

Built
1990
35 years old
Condition
Good
inspected November 2021
Type
Culvert
Concrete
Length
63 ft
6 main spans
Daily traffic
845
2018 count
Owner
State
State Highway Agency

About this bridge

N23 over Red Willow Creek is a concrete culvert carrying N23 over Red Willow Creek in Lincoln 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 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 845 vehicles a day, roughly 25% of them trucks, projected to reach 1,268 by 2038. The structure is 63 ft (19.2 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN23
CrossesRed Willow Creek
Location2E Wallace
RouteState Highway 23
Coordinates40.829, -101.1359
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans6
Design loadUnknown
Structure length63 ft (19.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic845 (2018)
Projected traffic1,268 by 2038
Trucks25%
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

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 N23 over Red Willow Creek built?

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

What condition is N23 over Red Willow Creek 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 November 2021.

How much traffic does N23 over Red Willow Creek carry?

About 845 vehicles per day (2018 count), of which roughly 25% are trucks.

How long is N23 over Red Willow Creek?

The structure is 63 ft (19.2 m) long with a longest span of 10 ft (3 m).

Who owns N23 over Red Willow Creek?

It is owned by the State Highway Agency.