US Bridges

N22 over Loup River Canal Trib

Good

Nance County, Nebraska · 3SW Genoa · Structure no. S022 06970

Built
1957
68 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
1,175
2018 count
Owner
State
State Highway Agency

About this bridge

N22 over Loup River Canal Trib is a concrete culvert carrying N22 over Loup River Canal Trib in Nance County, Nebraska. It was built in 1957, so it is 68 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 1,175 vehicles a day, roughly 11% of them trucks, projected to reach 1,528 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN22
CrossesLoup River Canal Trib
Location3SW Genoa
RouteState Highway 22
Coordinates41.4184, -97.7744
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionDecember 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans2
Design loadH 15
Structure length22 ft (6.7 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 traffic1,175 (2018)
Projected traffic1,528 by 2038
Trucks11%
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 N22 over Loup River Canal Trib built?

It was built in 1957, making it 68 years old in 2025.

What condition is N22 over Loup River Canal Trib 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 December 2024.

How much traffic does N22 over Loup River Canal Trib carry?

About 1,175 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N22 over Loup River Canal Trib?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns N22 over Loup River Canal Trib?

It is owned by the State Highway Agency.