US Bridges

Rp IS70E to IS270E over Rp IS270E to MO180

Fair

St. Louis County, Missouri · S 131 T 46 N R 5 E · Structure no. 3120

Built
1981
44 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
280 ft
3 main spans
Daily traffic
23,487
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS70E to IS270E over Rp IS270E to MO180 is a steel continuous stringer/multi-beam or girder carrying Rp IS70E to IS270E over Rp IS270E to MO180 in St. Louis County, Missouri. It was built in 1981, so it is 44 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 23,487 vehicles a day, roughly 11% of them trucks, projected to reach 29,359 by 2044. The structure is 280 ft (85.3 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRp IS70E to IS270E
CrossesRp IS270E to MO180
LocationS 131 T 46 N R 5 E
RouteState Highway 0
CountySt. Louis County
StateMissouri
Coordinates38.75349, -90.43774
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length280 ft (85.3 m)
Longest span107 ft (32.6 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,487 (2024)
Projected traffic29,359 by 2044
Trucks11%
Lanes on structure2
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 IS70E to IS270E over Rp IS270E to MO180 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Rp IS70E to IS270E over Rp IS270E to MO180 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 September 2024.

How much traffic does Rp IS70E to IS270E over Rp IS270E to MO180 carry?

About 23,487 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rp IS70E to IS270E over Rp IS270E to MO180?

The structure is 280 ft (85.3 m) long with a longest span of 107 ft (32.6 m) and a deck 37 ft wide.

Who owns Rp IS70E to IS270E over Rp IS270E to MO180?

It is owned by the State Highway Agency.