US Bridges

Mo 33 S over Holmes CR

Fair

Clay County, Missouri · S 15 T 52 N R 31 W · Structure no. 345

Built
1960
65 years old
Condition
Fair
inspected November 2024
Type
Culvert
Concrete Continuous
Length
36 ft
3 main spans
Daily traffic
6,212
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 33 S over Holmes CR is a concrete continuous culvert carrying Mo 33 S over Holmes 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 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 6,212 vehicles a day, roughly 10% of them trucks, projected to reach 9,939 by 2044. The structure is 36 ft (11.1 m) long. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesMo 33 S
CrossesHolmes CR
LocationS 15 T 52 N R 31 W
RouteState Highway 33
CountyClay County
StateMissouri
Coordinates39.31445, -94.36624
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 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
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length36 ft (11.1 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,212 (2024)
Projected traffic9,939 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 33 S over Holmes CR built?

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

What condition is Mo 33 S over Holmes 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 November 2024.

How much traffic does Mo 33 S over Holmes CR carry?

About 6,212 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mo 33 S over Holmes CR?

The structure is 36 ft (11.1 m) long with a longest span of 11 ft (3.4 m).

Who owns Mo 33 S over Holmes CR?

It is owned by the State Highway Agency.