US Bridges

N23 over Stream

Fair

Frontier County, Nebraska · 5W Eustis · Structure no. S023 11597

Built
1961
64 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
795
2018 count
Owner
State
State Highway Agency

About this bridge

N23 over Stream is a concrete continuous slab carrying N23 over Stream in Frontier County, Nebraska. It was built in 1961, so it is 64 years old, older 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 795 vehicles a day, roughly 16% of them trucks, projected to reach 1,034 by 2038. The structure is 82 ft (25 m) long and 33 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Location

Open in Google Maps
CarriesN23
CrossesStream
Location5W Eustis
RouteState Highway 23
CountyFrontier County
StateNebraska
Coordinates40.6797, -100.1246
Functional classRural Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating30.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length82 ft (25 m)
Longest span33 ft (10.1 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic795 (2018)
Projected traffic1,034 by 2038
Trucks16%
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 Stream built?

It was built in 1961, making it 64 years old in 2025.

What condition is N23 over Stream 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 April 2024.

How much traffic does N23 over Stream carry?

About 795 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is N23 over Stream?

The structure is 82 ft (25 m) long with a longest span of 33 ft (10.1 m) and a deck 33 ft wide.

Who owns N23 over Stream?

It is owned by the State Highway Agency.