US Bridges

N15 over Stream

Good

Colfax County, Nebraska · 7.1N of Schuyler · Structure no. S015 11574

Built
1992
33 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
3 main spans
Daily traffic
2,460
2018 count
Owner
State
State Highway Agency

About this bridge

N15 over Stream is a concrete culvert carrying N15 over Stream in Colfax County, Nebraska. It was built in 1992, so it is 33 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,460 vehicles a day, roughly 22% of them trucks, projected to reach 3,444 by 2038. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN15
CrossesStream
Location7.1N of Schuyler
RouteState Highway 15
Coordinates41.557, -97.0592
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.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 spans3
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,460 (2018)
Projected traffic3,444 by 2038
Trucks22%
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 N15 over Stream built?

It was built in 1992, making it 33 years old in 2025.

What condition is N15 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 June 2023.

How much traffic does N15 over Stream carry?

About 2,460 vehicles per day (2018 count), of which roughly 22% are trucks.

How long is N15 over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 8 ft (2.4 m).

Who owns N15 over Stream?

It is owned by the State Highway Agency.