US Bridges

N50 over Brownell Creek

Good

Otoe County, Nebraska · 1N Syracuse · Structure no. S050 05428

Built
1958
67 years old, rebuilt 2009
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
53 ft
1 main span
Daily traffic
4,590
2018 count
Owner
State
State Highway Agency

About this bridge

N50 over Brownell Creek is a prestressed concrete stringer/multi-beam or girder carrying N50 over Brownell Creek 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 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 4,590 vehicles a day, roughly 20% of them trucks, projected to reach 5,967 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
CrossesBrownell Creek
Location1N Syracuse
RouteState Highway 50
Coordinates40.6872, -96.179
Functional classRural Minor Arterial

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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.5 US tons
Inventory rating34.2 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 width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,590 (2018)
Projected traffic5,967 by 2038
Trucks20%
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 Brownell Creek built?

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

What condition is N50 over Brownell Creek 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 February 2025.

How much traffic does N50 over Brownell Creek carry?

About 4,590 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is N50 over Brownell Creek?

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 Brownell Creek?

It is owned by the State Highway Agency.