US Bridges

Is 44 E over Cst 4th ST Rp IS44W T

FairPosted for load

St. Louis city, Missouri · S 30 T 46 N R 7 E · Structure no. 6531

Built
1958
67 years old, rebuilt 1997
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
2,565 ft
30 main spans
Daily traffic
64,006
2024 count
Owner
State
State Highway Agency

About this bridge

Is 44 E over Cst 4th ST Rp IS44W T is a steel continuous stringer/multi-beam or girder carrying Is 44 E over Cst 4th ST Rp IS44W T in St. Louis city, Missouri. It was built in 1958 and reconstructed in 1997, so it is 67 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 64,006 vehicles a day, roughly 18% of them trucks, projected to reach 80,008 by 2044. The structure is 2,565 ft (781.8 m) long and 90 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 44 E
CrossesCst 4th ST Rp IS44W T
LocationS 30 T 46 N R 7 E
RouteInterstate 44
CountySt. Louis city
StateMissouri
Coordinates38.63289, -90.18592
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 inspectionJune 2023
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 alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans30
Design loadHS 20
Structure length2,565 ft (781.8 m)
Longest span133 ft (40.5 m)
Deck width90 ft (27.4 m)
Roadway width85 ft (25.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,006 (2024)
Projected traffic80,008 by 2044
Trucks18%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$41.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Is 44 E over Cst 4th ST Rp IS44W T built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1997.

What condition is Is 44 E over Cst 4th ST Rp IS44W T 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 June 2023.

How much traffic does Is 44 E over Cst 4th ST Rp IS44W T carry?

About 64,006 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 44 E over Cst 4th ST Rp IS44W T?

The structure is 2,565 ft (781.8 m) long with a longest span of 133 ft (40.5 m) and a deck 90 ft wide.

Who owns Is 44 E over Cst 4th ST Rp IS44W T?

It is owned by the State Highway Agency.