US Bridges

N58 over Stream

Poor

Sherman County, Nebraska · 8NW Rockville · Structure no. S058 03521

Built
1969
56 years old
Condition
Poor
inspected November 2024
Type
Culvert
Concrete
Length
36 ft
3 main spans
Daily traffic
660
2018 count
Owner
State
State Highway Agency

About this bridge

N58 over Stream is a concrete culvert carrying N58 over Stream in Sherman County, Nebraska. It was built in 1969, so it is 56 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 660 vehicles a day, roughly 11% of them trucks, projected to reach 924 by 2038. The structure is 36 ft (11 m) long. If it were closed, the detour would be 99.4 mi (160 km).

Location

Open in Google Maps
CarriesN58
CrossesStream
Location8NW Rockville
RouteState Highway 58
CountySherman County
StateNebraska
Coordinates41.2103, -98.9176
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; extensive scour has occurred
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 spans3
Design loadHS 20
Structure length36 ft (11 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 traffic660 (2018)
Projected traffic924 by 2038
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed99.4 mi (160 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 Stream built?

It was built in 1969, making it 56 years old in 2025.

What condition is N58 over Stream in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does N58 over Stream carry?

About 660 vehicles per day (2018 count), of which roughly 11% are trucks.

How long is N58 over Stream?

The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m).

Who owns N58 over Stream?

It is owned by the State Highway Agency.