US Bridges

N8 over Stream

Good

Nuckolls County, Nebraska · 9E Superior · Structure no. S008 00861

Built
2000
25 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
530
2018 count
Owner
State
State Highway Agency

About this bridge

N8 over Stream is a concrete culvert carrying N8 over Stream in Nuckolls County, Nebraska. It was built in 2000, so it is 25 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 530 vehicles a day, roughly 13% of them trucks, projected to reach 716 by 2038. The structure is 36 ft (11 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN8
CrossesStream
Location9E Superior
RouteState Highway 8
Coordinates40.0165, -97.9041
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum 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 length36 ft (11 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2018)
Projected traffic716 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N8 over Stream built?

It was built in 2000, making it 25 years old in 2025.

What condition is N8 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 July 2021.

How much traffic does N8 over Stream carry?

About 530 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N8 over Stream?

The structure is 36 ft (11 m) long with a longest span of 11 ft (3.4 m).

Who owns N8 over Stream?

It is owned by the State Highway Agency.