US Bridges

Mo 33 S over CR

Poor

Clay County, Missouri · S 35 T 54 N R 31 W · Structure no. 5084

Built
1927
98 years old
Condition
Poor
inspected November 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
6,459
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 33 S over CR is a concrete continuous culvert carrying Mo 33 S over CR in Clay County, Missouri. It was built in 1927, so it is 98 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,459 vehicles a day, roughly 4% of them trucks, projected to reach 10,011 by 2044. The structure is 21 ft (6.4 m) long and 36 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesMo 33 S
CrossesCR
LocationS 35 T 54 N R 31 W
RouteState Highway 33
Coordinates39.44831, -94.35195
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating85.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,459 (2024)
Projected traffic10,011 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 33 S over CR built?

It was built in 1927, making it 98 years old in 2025.

What condition is Mo 33 S over CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Mo 33 S over CR carry?

About 6,459 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Mo 33 S over CR?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 36 ft wide.

Who owns Mo 33 S over CR?

It is owned by the State Highway Agency.