US Bridges

Parvin RD over Rock CR

GoodPosted for load

Clay County, Missouri · S 12 T 50 N R 33 W · Structure no. 25312

Built
1960
65 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
3,604
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Parvin RD over Rock CR is a concrete continuous culvert carrying Parvin RD over Rock CR in Clay County, Missouri. It was built in 1960, so it is 65 years old, older 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. Its operating status is: posted for load restriction.

It carries about 3,604 vehicles a day, roughly 1% of them trucks, projected to reach 5,766 by 2044. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesParvin RD
CrossesRock CR
LocationS 12 T 50 N R 33 W
RouteCity Street 0
Coordinates39.16478, -94.55019
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadOther
Structure length34 ft (10.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,604 (2024)
Projected traffic5,766 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway 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 Parvin RD over Rock CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is Parvin RD over Rock 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 Parvin RD over Rock CR carry?

About 3,604 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Parvin RD over Rock CR?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Parvin RD over Rock CR?

It is owned by the City or Municipal Highway Agency.