US Bridges

N23 over Plum Creek

Good

Frontier County, Nebraska · 2W Eustis · Structure no. S023 11956

Built
2016
9 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
795
2018 count
Owner
State
State Highway Agency

About this bridge

N23 over Plum Creek is a prestressed concrete continuous tee beam carrying N23 over Plum Creek in Frontier County, Nebraska. It was built in 2016, so it is 9 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 795 vehicles a day, roughly 16% of them trucks, projected to reach 1,034 by 2038. The structure is 150 ft (45.7 m) long and 41 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

CarriesN23
CrossesPlum Creek
Location2W Eustis
RouteState Highway 23
Coordinates40.6713, -100.0593
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
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 evaluation7: Better than 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 rating55.1 US tons
Inventory rating41.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length150 ft (45.7 m)
Longest span66 ft (20.1 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 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 closed62.1 mi (100 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 Plum Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is N23 over Plum 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 April 2024.

How much traffic does N23 over Plum Creek carry?

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

How long is N23 over Plum Creek?

The structure is 150 ft (45.7 m) long with a longest span of 66 ft (20.1 m) and a deck 41 ft wide.

Who owns N23 over Plum Creek?

It is owned by the State Highway Agency.