US Bridges

N64 over Stream

Good

Douglas County, Nebraska · 2.3E Waterloo · Structure no. S064 06125

Built
1981
44 years old
Condition
Good
inspected March 2022
Type
Culvert
Concrete
Length
54 ft
5 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 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 5,055 vehicles a day, roughly 7% of them trucks, projected to reach 9,099 by 2038. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 12.4 mi (20 km).

CarriesN64
CrossesStream
Location2.3E Waterloo
RouteState Highway 64
Coordinates41.2947, -96.2658
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadUnknown
Structure length54 ft (16.5 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 closed12.4 mi (20 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 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 2022.

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 54 ft (16.5 m) long with a longest span of 10 ft (3 m).

Who owns N64 over Stream?

It is owned by the State Highway Agency.