US Bridges

N58 over Sherman Reservoir Canal

Good

Sherman County, Nebraska · 8NW Loup City · Structure no. S058 04861

Built
1960
65 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
103 ft
3 main spans
Daily traffic
1,015
2018 count
Owner
State
State Highway Agency

About this bridge

N58 over Sherman Reservoir Canal is a concrete continuous slab carrying N58 over Sherman Reservoir Canal in Sherman County, Nebraska. It was built in 1960, so it is 65 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 103 ft (31.4 m) long and 35 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesN58
CrossesSherman Reservoir Canal
Location8NW Loup City
RouteState Highway 58
CountySherman County
StateNebraska
Coordinates41.3723, -99.0125
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 geometry5: 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 rating56.2 US tons
Inventory rating33.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length103 ft (31.4 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.6 m)
Roadway width28 ft (8.6 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 Sherman Reservoir Canal built?

It was built in 1960, making it 65 years old in 2025.

What condition is N58 over Sherman Reservoir Canal 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 Sherman Reservoir Canal carry?

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

How long is N58 over Sherman Reservoir Canal?

The structure is 103 ft (31.4 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns N58 over Sherman Reservoir Canal?

It is owned by the State Highway Agency.