US Bridges

N91 over Stream

PoorPosted for load

Washington County, Nebraska · 8E Nickerson · Structure no. S091 22060

Built
1964
61 years old
Condition
Poor
inspected February 2024
Type
Slab
Concrete Continuous
Length
94 ft
3 main spans
Daily traffic
1,220
2018 count
Owner
State
State Highway Agency

About this bridge

N91 over Stream is a concrete continuous slab carrying N91 over Stream in Washington County, Nebraska. It was built in 1964, 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,220 vehicles a day, roughly 13% of them trucks, projected to reach 1,220 by 2038. The structure is 94 ft (28.7 m) long and 31 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN91
CrossesStream
Location8E Nickerson
RouteState Highway 91
Coordinates41.5382, -96.3221
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.8 US tons
Inventory rating17.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length94 ft (28.7 m)
Longest span38 ft (11.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,220 (2018)
Projected traffic1,220 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 proposedWidening with deck rehabilitation or replacement
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.

What condition is N91 over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does N91 over Stream carry?

About 1,220 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N91 over Stream?

The structure is 94 ft (28.7 m) long with a longest span of 38 ft (11.6 m) and a deck 31 ft wide.

Who owns N91 over Stream?

It is owned by the State Highway Agency.