US Bridges

NW Walunt Creek DR over Walnut CR

Fair

Platte County, Missouri · S 27 T 51 N R 34 W · Structure no. 30599

Built
2004
21 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete Continuous
Length
92 ft
2 main spans
Daily traffic
650
2024 count
Owner
County
County Highway Agency

About this bridge

NW Walunt Creek DR over Walnut CR is a concrete continuous channel beam carrying NW Walunt Creek DR over Walnut CR in Platte County, Missouri. It was built in 2004, so it is 21 years old, younger 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.

It carries about 650 vehicles a day, roughly 5% of them trucks, projected to reach 1,203 by 2044. The structure is 92 ft (28 m) long and 31 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNW Walunt Creek DR
CrossesWalnut CR
LocationS 27 T 51 N R 34 W
RouteCounty Highway 0
Coordinates39.20107, -94.70771
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.5 US tons
Inventory rating36.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete Continuous
DeckOther
Main spans2
Design loadHS 20
Structure length92 ft (28 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2024)
Projected traffic1,203 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW Walunt Creek DR over Walnut CR built?

It was built in 2004, making it 21 years old in 2025.

What condition is NW Walunt Creek DR over Walnut CR 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 April 2024.

How much traffic does NW Walunt Creek DR over Walnut CR carry?

About 650 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is NW Walunt Creek DR over Walnut CR?

The structure is 92 ft (28 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns NW Walunt Creek DR over Walnut CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.