US Bridges

N58 over Canal No 4

Good

Sherman County, Nebraska · 6NW Loup City · Structure no. S058 04637

Built
1972
53 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
1,015
2018 count
Owner
State
State Highway Agency

About this bridge

N58 over Canal No 4 is a concrete culvert carrying N58 over Canal No 4 in Sherman County, Nebraska. It was built in 1972, so it is 53 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 1,015 vehicles a day, roughly 10% of them trucks, projected to reach 1,472 by 2038. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 49.7 mi (80 km).

CarriesN58
CrossesCanal No 4
Location6NW Loup City
RouteState Highway 58
Coordinates41.3399, -99.0158
Functional classRural Major Collector

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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 spans2
Design loadHS 20
Structure length30 ft (9.1 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 traffic1,015 (2018)
Projected traffic1,472 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 N58 over Canal No 4 built?

It was built in 1972, making it 53 years old in 2025.

What condition is N58 over Canal No 4 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 November 2024.

How much traffic does N58 over Canal No 4 carry?

About 1,015 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N58 over Canal No 4?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m).

Who owns N58 over Canal No 4?

It is owned by the State Highway Agency.