US Bridges

NW 128th ST over Wildcat Br

Good

Platte County, Missouri · S 12 T 52 N R 34 W · Structure no. 32477

Built
2008
17 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
313
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

NW 128th ST over Wildcat Br is a prestressed concrete stringer/multi-beam or girder carrying NW 128th ST over Wildcat Br in Platte County, Missouri. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 313 vehicles a day, roughly 11% of them trucks, projected to reach 595 by 2044. The structure is 93 ft (28.2 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNW 128th ST
CrossesWildcat Br
LocationS 12 T 52 N R 34 W
RouteCity Street 0
CountyPlatte County
StateMissouri
Coordinates39.3256, -94.66977
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating45.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length93 ft (28.2 m)
Longest span84 ft (25.6 m)
Deck width38 ft (11.7 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic313 (2024)
Projected traffic595 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 128th ST over Wildcat Br built?

It was built in 2008, making it 17 years old in 2025.

What condition is NW 128th ST over Wildcat Br 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 128th ST over Wildcat Br carry?

About 313 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is NW 128th ST over Wildcat Br?

The structure is 93 ft (28.2 m) long with a longest span of 84 ft (25.6 m) and a deck 38 ft wide.

Who owns NW 128th ST over Wildcat Br?

It is owned by the City or Municipal Highway Agency.