US Bridges

Is 64 E over Metrolink

Good

St. Louis County, Missouri · S 21 T 45 N R 6 E · Structure no. 32248

Built
2008
17 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete Continuous
Length
43 ft
3 main spans
Daily traffic
158,962
2024 count
Owner
State
State Highway Agency

About this bridge

Is 64 E over Metrolink is a concrete continuous slab carrying Is 64 E over Metrolink in St. Louis 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 158,962 vehicles a day, roughly 12% of them trucks, projected to reach 198,703 by 2044. The structure is 43 ft (13 m) long and 150 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIs 64 E
CrossesMetrolink
LocationS 21 T 45 N R 6 E
RouteInterstate 64
CountySt. Louis County
StateMissouri
Coordinates38.62911, -90.33803
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating102.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length43 ft (13 m)
Longest span15 ft (4.6 m)
Deck width150 ft (45.7 m)
Roadway width150 ft (45.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic158,962 (2024)
Projected traffic198,703 by 2044
Trucks12%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 64 E over Metrolink built?

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

What condition is Is 64 E over Metrolink 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 April 2023.

How much traffic does Is 64 E over Metrolink carry?

About 158,962 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Is 64 E over Metrolink?

The structure is 43 ft (13 m) long with a longest span of 15 ft (4.6 m) and a deck 150 ft wide.

Who owns Is 64 E over Metrolink?

It is owned by the State Highway Agency.