US Bridges

N14 over Stream

Good

Boone County, Nebraska · 1S Petersburg · Structure no. S014 13503

Built
1943
82 years old, rebuilt 1993
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
2,280
2018 count
Owner
State
State Highway Agency

About this bridge

N14 over Stream is a concrete culvert carrying N14 over Stream in Boone County, Nebraska. It was built in 1943 and reconstructed in 1993, 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 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 2,280 vehicles a day, roughly 14% of them trucks, projected to reach 3,078 by 2038. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesN14
CrossesStream
Location1S Petersburg
RouteState Highway 14
CountyBoone County
StateNebraska
Coordinates41.8414, -98.0838
Functional classRural Minor Arterial

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 inspectionMay 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 alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,280 (2018)
Projected traffic3,078 by 2038
Trucks14%
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 N14 over Stream built?

It was built in 1943, making it 82 years old in 2025. It was reconstructed in 1993.

What condition is N14 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 May 2023.

How much traffic does N14 over Stream carry?

About 2,280 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is N14 over Stream?

The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).

Who owns N14 over Stream?

It is owned by the State Highway Agency.