US Bridges

N58 over Middle Loup River

Good

Howard County, Nebraska · .5SE Dannebrog · Structure no. S058 00876

Built
1975
50 years old, rebuilt 2001
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
733 ft
6 main spans
Daily traffic
840
2018 count
Owner
State
State Highway Agency

About this bridge

N58 over Middle Loup River is a steel continuous stringer/multi-beam or girder carrying N58 over Middle Loup River in Howard County, Nebraska. It was built in 1975 and reconstructed in 2001, so it is 50 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 840 vehicles a day, roughly 10% of them trucks, projected to reach 1,092 by 2038. The structure is 733 ft (223.4 m) long and 39 ft wide. If it were closed, the detour would be 167.8 mi (270 km).

CarriesN58
CrossesMiddle Loup River
Location.5SE Dannebrog
RouteState Highway 58
Coordinates41.111, -98.532
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 above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating30.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length733 ft (223.4 m)
Longest span130 ft (39.6 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2018)
Projected traffic1,092 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed167.8 mi (270 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 Middle Loup River built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 2001.

What condition is N58 over Middle Loup River 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 Middle Loup River carry?

About 840 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N58 over Middle Loup River?

The structure is 733 ft (223.4 m) long with a longest span of 130 ft (39.6 m) and a deck 39 ft wide.

Who owns N58 over Middle Loup River?

It is owned by the State Highway Agency.