US Bridges

Rp IS44E to IS270E over Is 44 Is 270 Mo 366

Good

St. Louis County, Missouri · S 14 T 55 N R 5 E · Structure no. 10166

Built
1996
29 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,562 ft
12 main spans
Daily traffic
14,152
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS44E to IS270E over Is 44 Is 270 Mo 366 is a steel continuous stringer/multi-beam or girder carrying Rp IS44E to IS270E over Is 44 Is 270 Mo 366 in St. Louis County, Missouri. It was built in 1996, so it is 29 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 14,152 vehicles a day, roughly 17% of them trucks, projected to reach 17,690 by 2044. The structure is 1,562 ft (476.1 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRp IS44E to IS270E
CrossesIs 44 Is 270 Mo 366
LocationS 14 T 55 N R 5 E
RouteState Highway 0
CountySt. Louis County
StateMissouri
Coordinates38.54851, -90.42717
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating105.2 US tons
Inventory rating62.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20 + Mod
Structure length1,562 ft (476.1 m)
Longest span171 ft (52.1 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,152 (2024)
Projected traffic17,690 by 2044
Trucks17%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rp IS44E to IS270E over Is 44 Is 270 Mo 366 built?

It was built in 1996, making it 29 years old in 2025.

What condition is Rp IS44E to IS270E over Is 44 Is 270 Mo 366 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 2023.

How much traffic does Rp IS44E to IS270E over Is 44 Is 270 Mo 366 carry?

About 14,152 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Rp IS44E to IS270E over Is 44 Is 270 Mo 366?

The structure is 1,562 ft (476.1 m) long with a longest span of 171 ft (52.1 m) and a deck 30 ft wide.

Who owns Rp IS44E to IS270E over Is 44 Is 270 Mo 366?

It is owned by the State Highway Agency.