US Bridges

Rp IS270W to US67 over Rp IS55N to IS255S Rp I

Fair

St. Louis County, Missouri · S 302 T 44 N R 6 E · Structure no. 4094

Built
1995
30 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
408 ft
4 main spans
Daily traffic
8,839
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS270W to US67 over Rp IS55N to IS255S Rp I is a steel continuous stringer/multi-beam or girder carrying Rp IS270W to US67 over Rp IS55N to IS255S Rp I in St. Louis County, Missouri. It was built in 1995, so it is 30 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 8,839 vehicles a day, roughly 10% of them trucks, projected to reach 11,049 by 2044. The structure is 408 ft (124.4 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRp IS270W to US67
CrossesRp IS55N to IS255S Rp I
LocationS 302 T 44 N R 6 E
RouteState Highway 0
CountySt. Louis County
StateMissouri
Coordinates38.50263, -90.33536
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 spans4
Design loadHS 20 + Mod
Structure length408 ft (124.4 m)
Longest span123 ft (37.5 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,839 (2024)
Projected traffic11,049 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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 IS270W to US67 over Rp IS55N to IS255S Rp I built?

It was built in 1995, making it 30 years old in 2025.

What condition is Rp IS270W to US67 over Rp IS55N to IS255S Rp I 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 July 2024.

How much traffic does Rp IS270W to US67 over Rp IS55N to IS255S Rp I carry?

About 8,839 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Rp IS270W to US67 over Rp IS55N to IS255S Rp I?

The structure is 408 ft (124.4 m) long with a longest span of 123 ft (37.5 m) and a deck 31 ft wide.

Who owns Rp IS270W to US67 over Rp IS55N to IS255S Rp I?

It is owned by the State Highway Agency.