US Bridges

Point Prairie Road over Tributary of Mccoy

Fair

St. Charles County, Missouri · S 16 T 47 N R 1 E · Structure no. 35254

Built
2016
9 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
3,999
2024 count
Owner
County
County Highway Agency

About this bridge

Point Prairie Road over Tributary of Mccoy is a concrete continuous culvert carrying Point Prairie Road over Tributary of Mccoy in St. Charles County, Missouri. It was built in 2016, so it is 9 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 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 3,999 vehicles a day, roughly 10% of them trucks, projected to reach 8,798 by 2044. The structure is 29 ft (8.9 m) long and 40 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesPoint Prairie Road
CrossesTributary of Mccoy
LocationS 16 T 47 N R 1 E
RouteCounty Highway 14
CountySt. Charles County
StateMissouri
Coordinates38.8388, -90.9074
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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.9 m)
Longest span14 ft (4.4 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,999 (2024)
Projected traffic8,798 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Point Prairie Road over Tributary of Mccoy built?

It was built in 2016, making it 9 years old in 2025.

What condition is Point Prairie Road over Tributary of Mccoy 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 February 2024.

How much traffic does Point Prairie Road over Tributary of Mccoy carry?

About 3,999 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Point Prairie Road over Tributary of Mccoy?

The structure is 29 ft (8.9 m) long with a longest span of 14 ft (4.4 m) and a deck 40 ft wide.

Who owns Point Prairie Road over Tributary of Mccoy?

It is owned by the County Highway Agency.