US Bridges

Rp IS270E to MO364 over Is 270

Good

St. Louis County, Missouri · S 28 T 46 N R 5 E · Structure no. 32979

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
156 ft
1 main span
Daily traffic
7,630
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS270E to MO364 over Is 270 is a steel stringer/multi-beam or girder carrying Rp IS270E to MO364 over Is 270 in St. Louis County, Missouri. It was built in 2010, so it is 15 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 7,630 vehicles a day, roughly 7% of them trucks, projected to reach 9,538 by 2044. The structure is 156 ft (47.4 m) long and 59 ft wide.

Location

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CarriesRp IS270E to MO364
CrossesIs 270
LocationS 28 T 46 N R 5 E
RouteState Highway 0
CountySt. Louis County
StateMissouri
Coordinates38.70035, -90.45053
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length156 ft (47.4 m)
Longest span152 ft (46.3 m)
Deck width59 ft (17.9 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic7,630 (2024)
Projected traffic9,538 by 2044
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 IS270E to MO364 over Is 270 built?

It was built in 2010, making it 15 years old in 2025.

What condition is Rp IS270E to MO364 over Is 270 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 October 2024.

How much traffic does Rp IS270E to MO364 over Is 270 carry?

About 7,630 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rp IS270E to MO364 over Is 270?

The structure is 156 ft (47.4 m) long with a longest span of 152 ft (46.3 m) and a deck 59 ft wide.

Who owns Rp IS270E to MO364 over Is 270?

It is owned by the State Highway Agency.