US Bridges

N91 over Stream

Good

Loup County, Nebraska · 6W Taylor · Structure no. S091 03900

Built
1964
61 years old, rebuilt 1994
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
50 ft
4 main spans
Daily traffic
340
2018 count
Owner
State
State Highway Agency

About this bridge

N91 over Stream is a concrete culvert carrying N91 over Stream in Loup County, Nebraska. It was built in 1964 and reconstructed in 1994, so it is 61 years old, older 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 340 vehicles a day, roughly 19% of them trucks, projected to reach 459 by 2038. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 87 mi (140 km).

CarriesN91
CrossesStream
Location6W Taylor
RouteState Highway 91
Coordinates41.79, -99.4732
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.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 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 rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2018)
Projected traffic459 by 2038
Trucks19%
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 N91 over Stream built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1994.

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 March 2023.

How much traffic does N91 over Stream carry?

About 340 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is N91 over Stream?

The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.7 m).

Who owns N91 over Stream?

It is owned by the State Highway Agency.