US Bridges

Canton Ave over Rvr Des Peres

GoodPosted for load

St. Louis County, Missouri · S 34 T 45 N R 6 E · Structure no. 32092

Built
2007
18 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
2,073
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Canton Ave over Rvr Des Peres is a prestressed concrete box beam or girders - multiple carrying Canton Ave over Rvr Des Peres in St. Louis County, Missouri. It was built in 2007, so it is 18 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. Its operating status is: posted for load restriction.

It carries about 2,073 vehicles a day, roughly 3% of them trucks, projected to reach 2,799 by 2043. The structure is 26 ft (7.9 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCanton Ave
CrossesRvr Des Peres
LocationS 34 T 45 N R 6 E
RouteCity Street 0
Coordinates38.67667, -90.34361
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span21 ft (6.4 m)
Deck width48 ft (14.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,073 (2023)
Projected traffic2,799 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Canton Ave over Rvr Des Peres built?

It was built in 2007, making it 18 years old in 2025.

What condition is Canton Ave over Rvr Des Peres 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 December 2023.

How much traffic does Canton Ave over Rvr Des Peres carry?

About 2,073 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Canton Ave over Rvr Des Peres?

The structure is 26 ft (7.9 m) long with a longest span of 21 ft (6.4 m) and a deck 48 ft wide.

Who owns Canton Ave over Rvr Des Peres?

It is owned by the City or Municipal Highway Agency.