US Bridges

N46 over Stream

Fair

Furnas County, Nebraska · 1S Oxford · Structure no. S046 00645

Built
1943
82 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
45 ft
4 main spans
Daily traffic
720
2018 count
Owner
State
State Highway Agency

About this bridge

N46 over Stream is a concrete culvert carrying N46 over Stream in Furnas County, Nebraska. It was built in 1943, so it is 82 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 720 vehicles a day, roughly 10% of them trucks, projected to reach 936 by 2038. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 80.8 mi (130 km).

CarriesN46
CrossesStream
Location1S Oxford
RouteState Highway 46
Coordinates40.2327, -99.6337
Functional classRural Major Collector

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 inspectionApril 2023
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 alignment7: Better than present minimum criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadUnknown
Structure length45 ft (13.7 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 traffic720 (2018)
Projected traffic936 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.8 mi (130 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 N46 over Stream built?

It was built in 1943, making it 82 years old in 2025.

What condition is N46 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 April 2023.

How much traffic does N46 over Stream carry?

About 720 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N46 over Stream?

The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m).

Who owns N46 over Stream?

It is owned by the State Highway Agency.