US Bridges

Sycamore Grove over Clear CR

Fair

Cass County, Missouri · S 10 T 44 N R 30 W · Structure no. 23509

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

About this bridge

Sycamore Grove over Clear CR is a concrete culvert carrying Sycamore Grove over Clear CR 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 fair condition with a lowest component rating of 6 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 45 vehicles a day, roughly 5% of them trucks, projected to reach 72 by 2044. The structure is 36 ft (11 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSycamore Grove
CrossesClear CR
LocationS 10 T 44 N R 30 W
RouteCounty Highway 411
Coordinates38.61784, -94.20942
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length36 ft (11 m)
Longest span17 ft (5.2 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.4 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 closed5 mi (8 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sycamore Grove over Clear CR built?

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

What condition is Sycamore Grove over Clear 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 April 2023.

How much traffic does Sycamore Grove over Clear CR carry?

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

How long is Sycamore Grove over Clear CR?

The structure is 36 ft (11 m) long with a longest span of 17 ft (5.2 m) and a deck 30 ft wide.

Who owns Sycamore Grove over Clear CR?

It is owned by the County Highway Agency.