US Bridges

Rt W S over Mccoy CR

Fair

St. Charles County, Missouri · S 18 T 47 N R 1 E · Structure no. 7209

Built
1959
66 years old, rebuilt 2018
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
2,750
2024 count
Owner
State
State Highway Agency

About this bridge

Rt W S over Mccoy CR is a concrete continuous culvert carrying Rt W S over Mccoy CR in St. Charles County, Missouri. It was built in 1959 and reconstructed in 2018, so it is 66 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 2,750 vehicles a day, roughly 11% of them trucks, projected to reach 5,363 by 2044. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesRt W S
CrossesMccoy CR
LocationS 18 T 47 N R 1 E
RouteState Highway 0W
CountySt. Charles County
StateMissouri
Coordinates38.83799, -90.94714
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,750 (2024)
Projected traffic5,363 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt W S over Mccoy CR built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2018.

What condition is Rt W S over Mccoy 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 November 2023.

How much traffic does Rt W S over Mccoy CR carry?

About 2,750 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt W S over Mccoy CR?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Rt W S over Mccoy CR?

It is owned by the State Highway Agency.