US Bridges

Kingshighway Blvd over Is 64

Fair

St. Louis city, Missouri · S 19 T 45 N R 7 E · Structure no. 32237

Built
2008
17 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
152 ft
2 main spans
Daily traffic
36,109
2024 count
Owner
State
State Highway Agency

About this bridge

Kingshighway Blvd over Is 64 is a prestressed concrete continuous stringer/multi-beam or girder carrying Kingshighway Blvd over Is 64 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 fair condition with a lowest component rating of 6 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 36,109 vehicles a day, roughly 5% of them trucks, projected to reach 50,553 by 2044. The structure is 152 ft (46.3 m) long and 134 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesKingshighway Blvd
CrossesIs 64
LocationS 19 T 45 N R 7 E
RouteCity Street 0
Coordinates38.63119, -90.26561
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length152 ft (46.3 m)
Longest span75 ft (22.9 m)
Deck width134 ft (40.9 m)
Roadway width132 ft (40.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,109 (2024)
Projected traffic50,553 by 2044
Trucks5%
Lanes on structure8
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Kingshighway Blvd over Is 64 built?

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

What condition is Kingshighway Blvd over Is 64 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 July 2023.

How much traffic does Kingshighway Blvd over Is 64 carry?

About 36,109 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Kingshighway Blvd over Is 64?

The structure is 152 ft (46.3 m) long with a longest span of 75 ft (22.9 m) and a deck 134 ft wide.

Who owns Kingshighway Blvd over Is 64?

It is owned by the State Highway Agency.