US Bridges

Rp IS55S to IS44E over Rp IS44E to Memorial DR

Good

St. Louis city, Missouri · S 23 T 45 N R 7 E · Structure no. 34667

Built
2015
10 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
253 ft
2 main spans
Daily traffic
13,491
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS55S to IS44E over Rp IS44E to Memorial DR is a steel continuous stringer/multi-beam or girder carrying Rp IS55S to IS44E over Rp IS44E to Memorial DR in St. Louis city, Missouri. It was built in 2015, so it is 10 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,491 vehicles a day, roughly 18% of them trucks, projected to reach 16,864 by 2044. The structure is 253 ft (77.1 m) long and 23 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRp IS55S to IS44E
CrossesRp IS44E to Memorial DR
LocationS 23 T 45 N R 7 E
RouteState Highway 0
CountySt. Louis city
StateMissouri
Coordinates38.62044, -90.18873
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable 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 rating85.3 US tons
Inventory rating51.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length253 ft (77.1 m)
Longest span125 ft (38.1 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic13,491 (2024)
Projected traffic16,864 by 2044
Trucks18%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rp IS55S to IS44E over Rp IS44E to Memorial DR built?

It was built in 2015, making it 10 years old in 2025.

What condition is Rp IS55S to IS44E over Rp IS44E to Memorial DR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Rp IS55S to IS44E over Rp IS44E to Memorial DR carry?

About 13,491 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rp IS55S to IS44E over Rp IS44E to Memorial DR?

The structure is 253 ft (77.1 m) long with a longest span of 125 ft (38.1 m) and a deck 23 ft wide.

Who owns Rp IS55S to IS44E over Rp IS44E to Memorial DR?

It is owned by the State Highway Agency.