US Bridges

Rp IS64W to Clark over Cst Spruce ST Metrolink

FairPosted for load

St. Louis city, Missouri · S 23 T 45 N R 7 E · Structure no. 1256

Built
1966
59 years old, rebuilt 2009
Condition
Fair
inspected April 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
1,092 ft
11 main spans
Daily traffic
1,711
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS64W to Clark over Cst Spruce ST Metrolink is a steel continuous girder and floorbeam system carrying Rp IS64W to Clark over Cst Spruce ST Metrolink in St. Louis city, Missouri. It was built in 1966 and reconstructed in 2009, so it is 59 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,711 vehicles a day, roughly 18% of them trucks, projected to reach 2,139 by 2044. The structure is 1,092 ft (332.8 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRp IS64W to Clark
CrossesCst Spruce ST Metrolink
LocationS 23 T 45 N R 7 E
RouteState Highway 0
CountySt. Louis city
StateMissouri
Coordinates38.6229, -90.19657
Functional classUrban Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans11 (+6 approach)
Design loadHS 20
Structure length1,092 ft (332.8 m)
Longest span90 ft (27.3 m)
Deck width24 ft (7.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,711 (2024)
Projected traffic2,139 by 2044
Trucks18%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6.8 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rp IS64W to Clark over Cst Spruce ST Metrolink built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2009.

What condition is Rp IS64W to Clark over Cst Spruce ST Metrolink 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 April 2024.

How much traffic does Rp IS64W to Clark over Cst Spruce ST Metrolink carry?

About 1,711 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rp IS64W to Clark over Cst Spruce ST Metrolink?

The structure is 1,092 ft (332.8 m) long with a longest span of 90 ft (27.3 m) and a deck 24 ft wide.

Who owns Rp IS64W to Clark over Cst Spruce ST Metrolink?

It is owned by the State Highway Agency.