US Bridges

N70 over Canal No 3

Good

Valley County, Nebraska · 1W Arcadia · Structure no. S070 10107

Built
1958
67 years old, rebuilt 2019
Condition
Good
inspected December 2024
Type
Slab
Concrete
Length
36 ft
1 main span
Daily traffic
745
2018 count
Owner
State
State Highway Agency

About this bridge

N70 over Canal No 3 is a concrete slab carrying N70 over Canal No 3 in Valley County, Nebraska. It was built in 1958 and reconstructed in 2019, so it is 67 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 745 vehicles a day, roughly 13% of them trucks, projected to reach 969 by 2038. The structure is 36 ft (11 m) long and 39 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesN70
CrossesCanal No 3
Location1W Arcadia
RouteState Highway 70
Coordinates41.4129, -99.1433
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating50.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width39 ft (11.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic745 (2018)
Projected traffic969 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 N70 over Canal No 3 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2019.

What condition is N70 over Canal No 3 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 N70 over Canal No 3 carry?

About 745 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is N70 over Canal No 3?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 39 ft wide.

Who owns N70 over Canal No 3?

It is owned by the State Highway Agency.