US Bridges

Dorsett Hil RD over Br New Chnl Grand

Poor

Cass County, Missouri · S 13 T 43 N R 32 W · Structure no. 24693

Built
1965
60 years old
Condition
Poor
inspected April 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
45
2024 count
Owner
County
County Highway Agency

About this bridge

Dorsett Hil RD over Br New Chnl Grand is a concrete culvert carrying Dorsett Hil RD over Br New Chnl Grand in Cass County, Missouri. It was built in 1965, so it is 60 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 45 vehicles a day, roughly 5% of them trucks, projected to reach 72 by 2044. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesDorsett Hil RD
CrossesBr New Chnl Grand
LocationS 13 T 43 N R 32 W
RouteCounty Highway 533
CountyCass County
StateMissouri
Coordinates38.51964, -94.41728
Functional classRural Local

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 inspectionApril 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 10
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2024)
Projected traffic72 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$153,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Dorsett Hil RD over Br New Chnl Grand built?

It was built in 1965, making it 60 years old in 2025.

What condition is Dorsett Hil RD over Br New Chnl Grand 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 April 2023.

How much traffic does Dorsett Hil RD over Br New Chnl Grand carry?

About 45 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Dorsett Hil RD over Br New Chnl Grand?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m) and a deck 26 ft wide.

Who owns Dorsett Hil RD over Br New Chnl Grand?

It is owned by the County Highway Agency.