US Bridges

NW O Brien RD E over US 50 Cst NW Blue Pkwy

FairPosted for load

Jackson County, Missouri · S 1 T 47 N R 32 W · Structure no. 2116

Built
1974
51 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
289 ft
5 main spans
Daily traffic
1,921
2024 count
Owner
State
State Highway Agency

About this bridge

NW O Brien RD E over US 50 Cst NW Blue Pkwy is a steel continuous stringer/multi-beam or girder carrying NW O Brien RD E over US 50 Cst NW Blue Pkwy in Jackson County, Missouri. It was built in 1974, so it is 51 years old, older than the Missouri average of 45.1 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. Its operating status is: posted for load restriction.

It carries about 1,921 vehicles a day, roughly 4% of them trucks, projected to reach 2,689 by 2044. The structure is 289 ft (88.1 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNW O Brien RD E
CrossesUS 50 Cst NW Blue Pkwy
LocationS 1 T 47 N R 32 W
RouteCity Street 0
Coordinates38.91887, -94.40127
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length289 ft (88.1 m)
Longest span68 ft (20.7 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,921 (2024)
Projected traffic2,689 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW O Brien RD E over US 50 Cst NW Blue Pkwy built?

It was built in 1974, making it 51 years old in 2025.

What condition is NW O Brien RD E over US 50 Cst NW Blue Pkwy 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 October 2023.

How much traffic does NW O Brien RD E over US 50 Cst NW Blue Pkwy carry?

About 1,921 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is NW O Brien RD E over US 50 Cst NW Blue Pkwy?

The structure is 289 ft (88.1 m) long with a longest span of 68 ft (20.7 m) and a deck 43 ft wide.

Who owns NW O Brien RD E over US 50 Cst NW Blue Pkwy?

It is owned by the State Highway Agency.