US Bridges

Clayton Ave E over Is 64 Rp US40W to Mccau

Good

St. Louis city, Missouri · S 23 T 45 N R 6 E · Structure no. 32268

Built
2008
17 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
157 ft
2 main spans
Daily traffic
12,212
2024 count
Owner
State
State Highway Agency

About this bridge

Clayton Ave E over Is 64 Rp US40W to Mccau is a prestressed concrete continuous stringer/multi-beam or girder carrying Clayton Ave E over Is 64 Rp US40W to Mccau in St. Louis city, 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 12,212 vehicles a day, roughly 5% of them trucks, projected to reach 18,318 by 2044. The structure is 157 ft (47.9 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesClayton Ave E
CrossesIs 64 Rp US40W to Mccau
LocationS 23 T 45 N R 6 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.63174, -90.30293
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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length157 ft (47.9 m)
Longest span80 ft (24.5 m)
Deck width48 ft (14.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,212 (2024)
Projected traffic18,318 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Clayton Ave E over Is 64 Rp US40W to Mccau built?

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

What condition is Clayton Ave E over Is 64 Rp US40W to Mccau 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 July 2023.

How much traffic does Clayton Ave E over Is 64 Rp US40W to Mccau carry?

About 12,212 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Clayton Ave E over Is 64 Rp US40W to Mccau?

The structure is 157 ft (47.9 m) long with a longest span of 80 ft (24.5 m) and a deck 48 ft wide.

Who owns Clayton Ave E over Is 64 Rp US40W to Mccau?

It is owned by the State Highway Agency.