US Bridges

N91 over Stream

Good

Greeley County, Nebraska · 1E Spalding · Structure no. S091 10782

Built
1942
83 years old, rebuilt 1964
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,265
2018 count
Owner
State
State Highway Agency

About this bridge

N91 over Stream is a concrete culvert carrying N91 over Stream in Greeley County, Nebraska. It was built in 1942 and reconstructed in 1964, so it is 83 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 1,265 vehicles a day, roughly 12% of them trucks, projected to reach 1,898 by 2038. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN91
CrossesStream
Location1E Spalding
RouteState Highway 91
Coordinates41.6831, -98.3391
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 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 traffic1,265 (2018)
Projected traffic1,898 by 2038
Trucks12%
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 N91 over Stream built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1964.

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 November 2024.

How much traffic does N91 over Stream carry?

About 1,265 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is N91 over Stream?

The structure is 25 ft (7.6 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.