US Bridges

NW Blue Pkwy N over Is 470 Rp IS470W to MO3

Fair

Jackson County, Missouri · S 36 T 48 N R 32 W · Structure no. 2172

Built
1979
46 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
370 ft
3 main spans
Daily traffic
1,691
2024 count
Owner
State
State Highway Agency

About this bridge

NW Blue Pkwy N over Is 470 Rp IS470W to MO3 is a steel continuous stringer/multi-beam or girder carrying NW Blue Pkwy N over Is 470 Rp IS470W to MO3 in Jackson County, Missouri. It was built in 1979, so it is 46 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 6 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 1,691 vehicles a day, roughly 3% of them trucks, projected to reach 2,283 by 2044. The structure is 370 ft (112.8 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesNW Blue Pkwy N
CrossesIs 470 Rp IS470W to MO3
LocationS 36 T 48 N R 32 W
RouteCity Street 0
CountyJackson County
StateMissouri
Coordinates38.93569, -94.4033
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length370 ft (112.8 m)
Longest span107 ft (32.6 m)
Deck width49 ft (14.9 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,691 (2024)
Projected traffic2,283 by 2044
Trucks3%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 Blue Pkwy N over Is 470 Rp IS470W to MO3 built?

It was built in 1979, making it 46 years old in 2025.

What condition is NW Blue Pkwy N over Is 470 Rp IS470W to MO3 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 Blue Pkwy N over Is 470 Rp IS470W to MO3 carry?

About 1,691 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is NW Blue Pkwy N over Is 470 Rp IS470W to MO3?

The structure is 370 ft (112.8 m) long with a longest span of 107 ft (32.6 m) and a deck 49 ft wide.

Who owns NW Blue Pkwy N over Is 470 Rp IS470W to MO3?

It is owned by the State Highway Agency.