US Bridges

N12 over East Creek

Fair

Dixon County, Nebraska · 0E Maskell · Structure no. S012 21720

Built
1951
74 years old, rebuilt 1987
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
47 ft
3 main spans
Daily traffic
1,355
2018 count
Owner
State
State Highway Agency

About this bridge

N12 over East Creek is a steel culvert carrying N12 over East Creek in Dixon County, Nebraska. It was built in 1951 and reconstructed in 1987, so it is 74 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 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 1,355 vehicles a day, roughly 11% of them trucks, projected to reach 1,897 by 2038. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 37.3 mi (60 km).

CarriesN12
CrossesEast Creek
Location0E Maskell
RouteState Highway 12
Coordinates42.6856, -96.9757
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.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating36.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,355 (2018)
Projected traffic1,897 by 2038
Trucks11%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N12 over East Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 1987.

What condition is N12 over East Creek 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 East Creek carry?

About 1,355 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N12 over East Creek?

The structure is 47 ft (14.3 m) long with a longest span of 13 ft (4 m).

Who owns N12 over East Creek?

It is owned by the State Highway Agency.