US Bridges

Mchugh RD over Trib of Mccoy CR

Good

St. Charles County, Missouri · S 969 T 48 N R 1 E · Structure no. 32578

Built
2008
17 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete Continuous
Length
26 ft
3 main spans
Daily traffic
63
2024 count
Owner
County
County Highway Agency

About this bridge

Mchugh RD over Trib of Mccoy CR is a concrete continuous culvert carrying Mchugh RD over Trib of Mccoy CR in St. Charles County, Missouri. It was built in 2008, so it is 17 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 63 vehicles a day, roughly 10% of them trucks, projected to reach 98 by 2044. The structure is 26 ft (7.8 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMchugh RD
CrossesTrib of Mccoy CR
LocationS 969 T 48 N R 1 E
RouteCounty Highway 17
Coordinates38.87164, -90.87803
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span9 ft (2.7 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63 (2024)
Projected traffic98 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Mchugh RD over Trib of Mccoy CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is Mchugh RD over Trib of Mccoy CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Mchugh RD over Trib of Mccoy CR carry?

About 63 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mchugh RD over Trib of Mccoy CR?

The structure is 26 ft (7.8 m) long with a longest span of 9 ft (2.7 m) and a deck 33 ft wide.

Who owns Mchugh RD over Trib of Mccoy CR?

It is owned by the County Highway Agency.