US Bridges

N57 over Stream

Good

Stanton County, Nebraska · 1S Stanton · Structure no. S057 01530

Built
1947
78 years old, rebuilt 1959
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,140
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 1947 and reconstructed in 1959, so it is 78 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,140 vehicles a day, roughly 10% of them trucks, projected to reach 1,767 by 2038. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 111.8 mi (180 km).

CarriesN57
CrossesStream
Location1S Stanton
RouteState Highway 57
Coordinates41.9358, -97.2144
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.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length26 ft (7.9 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 traffic1,140 (2018)
Projected traffic1,767 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed111.8 mi (180 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 1947, making it 78 years old in 2025. It was reconstructed in 1959.

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 1,140 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is N57 over Stream?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m).

Who owns N57 over Stream?

It is owned by the State Highway Agency.