US Bridges

Rp IS64E to IS270E over Cst Conway RD

Good

St. Louis County, Missouri · S 15 T 45 N R 5 E · Structure no. 37023

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
15,103
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS64E to IS270E over Cst Conway RD is a prestressed concrete tee beam carrying Rp IS64E to IS270E over Cst Conway RD in St. Louis County, Missouri. It was built in 2023, so it is 2 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 9 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: new structure not yet open to traffic.

It carries about 15,103 vehicles a day, roughly 3% of them trucks, projected to reach 18,879 by 2044. The structure is 77 ft (23.5 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRp IS64E to IS270E
CrossesCst Conway RD
LocationS 15 T 45 N R 5 E
RouteState Highway 0
CountySt. Louis County
StateMissouri
Coordinates38.64319, -90.44882
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusNew structure not yet open to traffic
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating52.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length77 ft (23.5 m)
Longest span72 ft (21.8 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,103 (2024)
Projected traffic18,879 by 2044
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Rp IS64E to IS270E over Cst Conway RD built?

It was built in 2023, making it 2 years old in 2025.

What condition is Rp IS64E to IS270E over Cst Conway RD 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 May 2023.

How much traffic does Rp IS64E to IS270E over Cst Conway RD carry?

About 15,103 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Rp IS64E to IS270E over Cst Conway RD?

The structure is 77 ft (23.5 m) long with a longest span of 72 ft (21.8 m) and a deck 41 ft wide.

Who owns Rp IS64E to IS270E over Cst Conway RD?

It is owned by the State Highway Agency.