US Bridges

N64 over Stream

Fair

Douglas County, Nebraska · 1E Waterloo · Structure no. S064 06054

Built
1981
44 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
5,055
2018 count
Owner
State
State Highway Agency

About this bridge

N64 over Stream is a concrete culvert carrying N64 over Stream in Douglas County, Nebraska. It was built in 1981, so it is 44 years old, younger 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 5,055 vehicles a day, roughly 7% of them trucks, projected to reach 9,099 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN64
CrossesStream
Location1E Waterloo
RouteState Highway 64
Coordinates41.2944, -96.2792
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 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 spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,055 (2018)
Projected traffic9,099 by 2038
Trucks7%
Lanes on structure4
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 N64 over Stream built?

It was built in 1981, making it 44 years old in 2025.

What condition is N64 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 March 2024.

How much traffic does N64 over Stream carry?

About 5,055 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is N64 over Stream?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns N64 over Stream?

It is owned by the State Highway Agency.