US Bridges

N14 over Stream

Fair

Knox County, Nebraska · 6S Niobrara · Structure no. S014 19427

Built
1985
40 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
1,095
2018 count
Owner
State
State Highway Agency

About this bridge

N14 over Stream is a concrete culvert carrying N14 over Stream in Knox County, Nebraska. It was built in 1985, so it is 40 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 1,095 vehicles a day, roughly 14% of them trucks, projected to reach 1,424 by 2038. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 87 mi (140 km).

CarriesN14
CrossesStream
Location6S Niobrara
RouteState Highway 14
Coordinates42.6809, -98.0354
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal 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 length27 ft (8.2 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,095 (2018)
Projected traffic1,424 by 2038
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed87 mi (140 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 N14 over Stream built?

It was built in 1985, making it 40 years old in 2025.

What condition is N14 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 October 2024.

How much traffic does N14 over Stream carry?

About 1,095 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is N14 over Stream?

The structure is 27 ft (8.2 m) long with a longest span of 7 ft (2.1 m).

Who owns N14 over Stream?

It is owned by the State Highway Agency.