US Bridges

Rp IS44W to IS270W over Is 44 Is 270 Mo 366

Good

St. Louis County, Missouri · S 14 T 44 N R 5 E · Structure no. 4266

Built
1996
29 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,504 ft
13 main spans
Daily traffic
16,460
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS44W to IS270W over Is 44 Is 270 Mo 366 is a steel continuous stringer/multi-beam or girder carrying Rp IS44W to IS270W 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 16,460 vehicles a day, roughly 5% of them trucks, projected to reach 20,575 by 2044. The structure is 1,504 ft (458.4 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRp IS44W to IS270W
CrossesIs 44 Is 270 Mo 366
LocationS 14 T 44 N R 5 E
RouteState Highway 0
CountySt. Louis County
StateMissouri
Coordinates38.54817, -90.4268
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 rating104.2 US tons
Inventory rating62.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans13
Design loadHS 20 + Mod
Structure length1,504 ft (458.4 m)
Longest span160 ft (48.8 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,460 (2024)
Projected traffic20,575 by 2044
Trucks5%
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 IS44W to IS270W over Is 44 Is 270 Mo 366 built?

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

What condition is Rp IS44W to IS270W 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 IS44W to IS270W over Is 44 Is 270 Mo 366 carry?

About 16,460 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rp IS44W to IS270W over Is 44 Is 270 Mo 366?

The structure is 1,504 ft (458.4 m) long with a longest span of 160 ft (48.8 m) and a deck 30 ft wide.

Who owns Rp IS44W to IS270W over Is 44 Is 270 Mo 366?

It is owned by the State Highway Agency.