US Bridges

NW 50th ST over Unnamed CR

Good

Platte County, Missouri · S 33 T 51 N R 33 W · Structure no. 34801

Built
2003
22 years old
Condition
Good
inspected April 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
45 ft
2 main spans
Daily traffic
50
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 50th ST over Unnamed CR is a aluminum, wrought iron, or cast iron culvert carrying NW 50th ST over Unnamed CR in Platte County, Missouri. It was built in 2003, so it is 22 years old, younger than the Missouri average of 45.1 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 95 by 2044. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNW 50th ST
CrossesUnnamed CR
LocationS 33 T 51 N R 33 W
RouteCity Street 372
Coordinates39.18331, -94.61692
Functional classUrban Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span19 ft (5.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic95 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 50th ST over Unnamed CR built?

It was built in 2003, making it 22 years old in 2025.

What condition is NW 50th ST over Unnamed CR 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 April 2024.

How much traffic does NW 50th ST over Unnamed CR carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is NW 50th ST over Unnamed CR?

The structure is 45 ft (13.7 m) long with a longest span of 19 ft (5.9 m).

Who owns NW 50th ST over Unnamed CR?

It is owned by the City or Municipal Highway Agency.