US Bridges

N23 over Stream

Good

Dawson County, Nebraska · Wcl Farnam · Structure no. S023 11030

Built
1958
67 years old, rebuilt 2014
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
850
2018 count
Owner
State
State Highway Agency

About this bridge

N23 over Stream is a concrete continuous slab carrying N23 over Stream in Dawson County, Nebraska. It was built in 1958 and reconstructed in 2014, so it is 67 years old, older 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 850 vehicles a day, roughly 15% of them trucks, projected to reach 1,105 by 2038. The structure is 35 ft (10.7 m) long and 39 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesN23
CrossesStream
LocationWcl Farnam
RouteState Highway 23
Coordinates40.7057, -100.2206
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width39 ft (11.9 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2018)
Projected traffic1,105 by 2038
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 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 Stream built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2014.

What condition is N23 over Stream 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 April 2024.

How much traffic does N23 over Stream carry?

About 850 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is N23 over Stream?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m) and a deck 39 ft wide.

Who owns N23 over Stream?

It is owned by the State Highway Agency.