US Bridges

N91 over Stream

Good

Washington County, Nebraska · .1W Blair · Structure no. S091 22949

Built
1996
29 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
2,715
2018 count
Owner
State
State Highway Agency

About this bridge

N91 over Stream is a concrete culvert carrying N91 over Stream in Washington County, Nebraska. It was built in 1996, so it is 29 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 2,715 vehicles a day, roughly 10% of them trucks, projected to reach 2,851 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 37.3 mi (60 km).

CarriesN91
CrossesStream
Location.1W Blair
RouteState Highway 91
Coordinates41.5422, -96.1573
Functional classUrban 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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than 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 spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,715 (2018)
Projected traffic2,851 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 N91 over Stream built?

It was built in 1996, making it 29 years old in 2025.

What condition is N91 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 February 2024.

How much traffic does N91 over Stream carry?

About 2,715 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N91 over Stream?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m).

Who owns N91 over Stream?

It is owned by the State Highway Agency.