US Bridges

N57 over Stream

Good

Stanton County, Nebraska · 11S Stanton · Structure no. S057 00544

Built
1973
52 years old, rebuilt 2014
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
880
2018 count
Owner
State
State Highway Agency

About this bridge

N57 over Stream is a concrete culvert carrying N57 over Stream in Stanton County, Nebraska. It was built in 1973 and reconstructed in 2014, so it is 52 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 880 vehicles a day, roughly 9% of them trucks, projected to reach 1,188 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 37.3 mi (60 km).

CarriesN57
CrossesStream
Location11S Stanton
RouteState Highway 57
Coordinates41.7926, -97.2135
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum 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 length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic880 (2018)
Projected traffic1,188 by 2038
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 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 N57 over Stream built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 2014.

What condition is N57 over Stream 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 June 2023.

How much traffic does N57 over Stream carry?

About 880 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is N57 over Stream?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns N57 over Stream?

It is owned by the State Highway Agency.