US Bridges

N50 over Stream

Fair

Otoe County, Nebraska · 5N Syracuse · Structure no. S050 05821

Built
1958
67 years old, rebuilt 2009
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
3,485
2018 count
Owner
State
State Highway Agency

About this bridge

N50 over Stream is a prestressed concrete stringer/multi-beam or girder carrying N50 over Stream in Otoe County, Nebraska. It was built in 1958 and reconstructed in 2009, so it is 67 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,485 vehicles a day, roughly 23% of them trucks, projected to reach 5,053 by 2038. The structure is 53 ft (16.2 m) long and 33 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesN50
CrossesStream
Location5N Syracuse
RouteState Highway 50
Coordinates40.7441, -96.1783
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating44.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length53 ft (16.2 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,485 (2018)
Projected traffic5,053 by 2038
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N50 over Stream built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2009.

What condition is N50 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does N50 over Stream carry?

About 3,485 vehicles per day (2018 count), of which roughly 23% are trucks.

How long is N50 over Stream?

The structure is 53 ft (16.2 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns N50 over Stream?

It is owned by the State Highway Agency.