US Bridges

N50 over Buffalo Creek

Fair

Sarpy County, Nebraska · 2S Springfield · Structure no. S050 07970

Built
1951
74 years old, rebuilt 2015
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
89 ft
3 main spans
Daily traffic
8,675
2018 count
Owner
State
State Highway Agency

About this bridge

N50 over Buffalo Creek is a concrete continuous slab carrying N50 over Buffalo Creek in Sarpy County, Nebraska. It was built in 1951 and reconstructed in 2015, so it is 74 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 5 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 8,675 vehicles a day, roughly 17% of them trucks, projected to reach 14,314 by 2038. The structure is 89 ft (27.1 m) long and 47 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

Location

Open in Google Maps
CarriesN50
CrossesBuffalo Creek
Location2S Springfield
RouteState Highway 50
CountySarpy County
StateNebraska
Coordinates41.0471, -96.1387
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length89 ft (27.1 m)
Longest span36 ft (11 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,675 (2018)
Projected traffic14,314 by 2038
Trucks17%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was N50 over Buffalo Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2015.

What condition is N50 over Buffalo Creek 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 January 2024.

How much traffic does N50 over Buffalo Creek carry?

About 8,675 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is N50 over Buffalo Creek?

The structure is 89 ft (27.1 m) long with a longest span of 36 ft (11 m) and a deck 47 ft wide.

Who owns N50 over Buffalo Creek?

It is owned by the State Highway Agency.