US Bridges

N23 over Dry Creek

Fair

Frontier County, Nebraska · 7E Curtis · Structure no. S023 09848

Built
2001
24 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
172 ft
3 main spans
Daily traffic
955
2018 count
Owner
State
State Highway Agency

About this bridge

N23 over Dry Creek is a prestressed concrete continuous tee beam carrying N23 over Dry Creek in Frontier County, Nebraska. It was built in 2001, so it is 24 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 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 955 vehicles a day, roughly 14% of them trucks, projected to reach 1,242 by 2038. The structure is 172 ft (52.4 m) long and 38 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesN23
CrossesDry Creek
Location7E Curtis
RouteState Highway 23
Coordinates40.6842, -100.4371
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.4 US tons
Inventory rating52.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length172 ft (52.4 m)
Longest span57 ft (17.4 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic955 (2018)
Projected traffic1,242 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Dry Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is N23 over Dry 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 April 2024.

How much traffic does N23 over Dry Creek carry?

About 955 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is N23 over Dry Creek?

The structure is 172 ft (52.4 m) long with a longest span of 57 ft (17.4 m) and a deck 38 ft wide.

Who owns N23 over Dry Creek?

It is owned by the State Highway Agency.