US Bridges

SW Lewis School RD over Br of Coverdale Dt

Fair

Buchanan County, Missouri · S 33 T 56 N R 36 W · Structure no. 19550

Built
1989
36 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

SW Lewis School RD over Br of Coverdale Dt is a concrete culvert carrying SW Lewis School RD over Br of Coverdale Dt in Buchanan County, Missouri. It was built in 1989, so it is 36 years old, younger 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 29 by 2044. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSW Lewis School RD
CrossesBr of Coverdale Dt
LocationS 33 T 56 N R 36 W
RouteCounty Highway 224
Coordinates39.62029, -94.94296
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic29 by 2044
Trucks10%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW Lewis School RD over Br of Coverdale Dt built?

It was built in 1989, making it 36 years old in 2025.

What condition is SW Lewis School RD over Br of Coverdale Dt 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 January 2023.

How much traffic does SW Lewis School RD over Br of Coverdale Dt carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SW Lewis School RD over Br of Coverdale Dt?

The structure is 22 ft (6.7 m) long with a longest span of 8 ft (2.4 m).

Who owns SW Lewis School RD over Br of Coverdale Dt?

It is owned by the County Highway Agency.