US Bridges

N39 over Stream

Fair

Boone County, Nebraska · 1W ST Edward · Structure no. S039 03222

Built
1981
44 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
54 ft
4 main spans
Daily traffic
2,265
2018 count
Owner
State
State Highway Agency

About this bridge

N39 over Stream is a concrete culvert carrying N39 over Stream in Boone 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 2,265 vehicles a day, roughly 13% of them trucks, projected to reach 2,945 by 2038. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

Open in Google Maps
CarriesN39
CrossesStream
Location1W ST Edward
RouteState Highway 39
CountyBoone County
StateNebraska
Coordinates41.5692, -97.8722
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans4
Design loadHS 20
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 traffic2,265 (2018)
Projected traffic2,945 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N39 over Stream built?

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

What condition is N39 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 May 2023.

How much traffic does N39 over Stream carry?

About 2,265 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N39 over Stream?

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

Who owns N39 over Stream?

It is owned by the State Highway Agency.