US Bridges

Mette RD over Mccoy CR

Fair

St. Charles County, Missouri · S 935 T 47 N R 1 E · Structure no. 12860

Built
1993
32 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
1,855
2024 count
Owner
County
County Highway Agency

About this bridge

Mette RD over Mccoy CR is a steel stringer/multi-beam or girder carrying Mette RD over Mccoy CR in St. Charles County, Missouri. It was built in 1993, so it is 32 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 1,855 vehicles a day, roughly 10% of them trucks, projected to reach 2,875 by 2044. The structure is 62 ft (18.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesMette RD
CrossesMccoy CR
LocationS 935 T 47 N R 1 E
RouteCounty Highway 22
CountySt. Charles County
StateMissouri
Coordinates38.86752, -90.86581
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating98.2 US tons
Inventory rating58.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,855 (2024)
Projected traffic2,875 by 2044
Trucks10%
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 Mette RD over Mccoy CR built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mette RD 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 February 2024.

How much traffic does Mette RD over Mccoy CR carry?

About 1,855 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Mette RD over Mccoy CR?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 28 ft wide.

Who owns Mette RD over Mccoy CR?

It is owned by the County Highway Agency.