US Bridges

323rd ST over Unnamed CR

Good

Cass County, Missouri · S 9 T 43 N R 29 W · Structure no. 34983

Built
2011
14 years old
Condition
Good
inspected April 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
20 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

323rd ST over Unnamed CR is a aluminum, wrought iron, or cast iron culvert carrying 323rd ST over Unnamed CR in Cass County, Missouri. It was built in 2011, so it is 14 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2044. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Carries323rd ST
CrossesUnnamed CR
LocationS 9 T 43 N R 29 W
RouteCounty Highway 619
Coordinates38.52517, -94.12564
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert9 ExcellentNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
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
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length20 ft (6.2 m)
Longest span20 ft (6.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic160 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 323rd ST over Unnamed CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is 323rd ST over Unnamed 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 2023.

How much traffic does 323rd ST over Unnamed CR carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 323rd ST over Unnamed CR?

The structure is 20 ft (6.2 m) long with a longest span of 20 ft (6.2 m).

Who owns 323rd ST over Unnamed CR?

It is owned by the County Highway Agency.