US Bridges

Is 44 W over Cst Ellendale Ave River

FairPosted for load

St. Louis city, Missouri · S 35 T 45 N R 6 E · Structure no. 2066

Built
1971
54 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
397 ft
4 main spans
Daily traffic
51,357
2024 count
Owner
State
State Highway Agency

About this bridge

Is 44 W over Cst Ellendale Ave River is a steel continuous stringer/multi-beam or girder carrying Is 44 W over Cst Ellendale Ave River in St. Louis city, Missouri. It was built in 1971, so it is 54 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 6 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 51,357 vehicles a day, roughly 12% of them trucks, projected to reach 64,196 by 2044. The structure is 397 ft (121 m) long and 69 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 44 W
CrossesCst Ellendale Ave River
LocationS 35 T 45 N R 6 E
RouteInterstate 44
Coordinates38.59985, -90.31594
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length397 ft (121 m)
Longest span115 ft (35.1 m)
Deck width69 ft (21.1 m)
Roadway width67 ft (20.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,357 (2024)
Projected traffic64,196 by 2044
Trucks12%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed0.6 mi (1 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 44 W over Cst Ellendale Ave River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Is 44 W over Cst Ellendale Ave River 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 November 2024.

How much traffic does Is 44 W over Cst Ellendale Ave River carry?

About 51,357 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Is 44 W over Cst Ellendale Ave River?

The structure is 397 ft (121 m) long with a longest span of 115 ft (35.1 m) and a deck 69 ft wide.

Who owns Is 44 W over Cst Ellendale Ave River?

It is owned by the State Highway Agency.