US Bridges

N50 over BNSF RR 073-015-R

Poor

Cass County, Nebraska · 0W Louisville · Structure no. S050 07611

Built
1957
68 years old, rebuilt 1984
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
339 ft
2 main spans
Daily traffic
6,570
2018 count
Owner
State
State Highway Agency

About this bridge

N50 over BNSF RR 073-015-R is a steel continuous stringer/multi-beam or girder carrying N50 over BNSF RR 073-015-R in Cass County, Nebraska. It was built in 1957 and reconstructed in 1984, so it is 68 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,570 vehicles a day, roughly 17% of them trucks, projected to reach 10,512 by 2038. The structure is 339 ft (103.3 m) long and 33 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesN50
CrossesBNSF RR 073-015-R
Location0W Louisville
RouteState Highway 50
CountyCass County
StateNebraska
Coordinates41.0019, -96.1675
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.9 US tons
Inventory rating25.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length339 ft (103.3 m)
Longest span98 ft (29.9 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,570 (2018)
Projected traffic10,512 by 2038
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed12.4 mi (20 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N50 over BNSF RR 073-015-R built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1984.

What condition is N50 over BNSF RR 073-015-R in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does N50 over BNSF RR 073-015-R carry?

About 6,570 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is N50 over BNSF RR 073-015-R?

The structure is 339 ft (103.3 m) long with a longest span of 98 ft (29.9 m) and a deck 33 ft wide.

Who owns N50 over BNSF RR 073-015-R?

It is owned by the State Highway Agency.