US Bridges

Is 64 W over Cst N Sarah ST

Fair

St. Louis city, Missouri · S 17 T 45 N R 7 E · Structure no. 3040

Built
1981
44 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
157 ft
3 main spans
Daily traffic
58,558
2024 count
Owner
State
State Highway Agency

About this bridge

Is 64 W over Cst N Sarah ST is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 64 W over Cst N Sarah ST in St. Louis city, Missouri. It was built in 1981, so it is 44 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 58,558 vehicles a day, roughly 18% of them trucks, projected to reach 73,198 by 2044. The structure is 157 ft (47.9 m) long and 55 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIs 64 W
CrossesCst N Sarah ST
LocationS 17 T 45 N R 7 E
RouteInterstate 64
CountySt. Louis city
StateMissouri
Coordinates38.6313, -90.24903
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating33.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length157 ft (47.9 m)
Longest span60 ft (18.3 m)
Deck width55 ft (16.7 m)
Roadway width52 ft (15.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,558 (2024)
Projected traffic73,198 by 2044
Trucks18%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 W over Cst N Sarah ST built?

It was built in 1981, making it 44 years old in 2025.

What condition is Is 64 W over Cst N Sarah ST 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 Is 64 W over Cst N Sarah ST carry?

About 58,558 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 64 W over Cst N Sarah ST?

The structure is 157 ft (47.9 m) long with a longest span of 60 ft (18.3 m) and a deck 55 ft wide.

Who owns Is 64 W over Cst N Sarah ST?

It is owned by the State Highway Agency.