US Bridges

N91 over Stream

Fair

Greeley County, Nebraska · 1W Spalding · Structure no. S091 10498

Built
1961
64 years old, rebuilt 1990
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
1,125
2018 count
Owner
State
State Highway Agency

About this bridge

N91 over Stream is a concrete continuous slab carrying N91 over Stream in Greeley County, Nebraska. It was built in 1961 and reconstructed in 1990, so it is 64 years old, older 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 1,125 vehicles a day, roughly 12% of them trucks, projected to reach 1,575 by 2038. The structure is 82 ft (25 m) long and 39 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN91
CrossesStream
Location1W Spalding
RouteState Highway 91
Coordinates41.6966, -98.3862
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.4 US tons
Inventory rating35.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length82 ft (25 m)
Longest span32 ft (9.8 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,125 (2018)
Projected traffic1,575 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 1961, making it 64 years old in 2025. It was reconstructed in 1990.

What condition is N91 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 November 2024.

How much traffic does N91 over Stream carry?

About 1,125 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is N91 over Stream?

The structure is 82 ft (25 m) long with a longest span of 32 ft (9.8 m) and a deck 39 ft wide.

Who owns N91 over Stream?

It is owned by the State Highway Agency.