US Bridges

N12 over Stream

Fair

Dixon County, Nebraska · JCT N9/N12 5.9NW · Structure no. S012 22928

Built
1994
31 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
1,450
2018 count
Owner
State
State Highway Agency

About this bridge

N12 over Stream is a concrete culvert carrying N12 over Stream in Dixon County, Nebraska. It was built in 1994, so it is 31 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 5 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 1,450 vehicles a day, roughly 9% of them trucks, projected to reach 1,885 by 2038. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesN12
CrossesStream
LocationJCT N9/N12 5.9NW
RouteState Highway 12
CountyDixon County
StateNebraska
Coordinates42.6034, -96.778
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.4 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 traffic1,450 (2018)
Projected traffic1,885 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 N12 over Stream built?

It was built in 1994, making it 31 years old in 2025.

What condition is N12 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 September 2024.

How much traffic does N12 over Stream carry?

About 1,450 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N12 over Stream?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m).

Who owns N12 over Stream?

It is owned by the State Highway Agency.