US Bridges

Rp IS170E to IS64E over Is 64 Rp Hanley DR to I

Fair

St. Louis County, Missouri · S 21 T 45 N R 6 E · Structure no. 32233

Built
2008
17 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
1,174 ft
3 main spans
Daily traffic
22,039
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS170E to IS64E over Is 64 Rp Hanley DR to I is a steel continuous stringer/multi-beam or girder carrying Rp IS170E to IS64E over Is 64 Rp Hanley DR to I in St. Louis County, Missouri. It was built in 2008, so it is 17 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 22,039 vehicles a day, roughly 4% of them trucks, projected to reach 27,549 by 2044. The structure is 1,174 ft (357.9 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRp IS170E to IS64E
CrossesIs 64 Rp Hanley DR to I
LocationS 21 T 45 N R 6 E
RouteState Highway 0
CountySt. Louis County
StateMissouri
Coordinates38.62994, -90.34325
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+3 approach)
Design loadHS 25 or greater
Structure length1,174 ft (357.9 m)
Longest span246 ft (75 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck16 ft (4.8 m)

Traffic and service

Average daily traffic22,039 (2024)
Projected traffic27,549 by 2044
Trucks4%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
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 IS170E to IS64E over Is 64 Rp Hanley DR to I built?

It was built in 2008, making it 17 years old in 2025.

What condition is Rp IS170E to IS64E over Is 64 Rp Hanley DR to 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 May 2023.

How much traffic does Rp IS170E to IS64E over Is 64 Rp Hanley DR to I carry?

About 22,039 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Rp IS170E to IS64E over Is 64 Rp Hanley DR to I?

The structure is 1,174 ft (357.9 m) long with a longest span of 246 ft (75 m) and a deck 30 ft wide.

Who owns Rp IS170E to IS64E over Is 64 Rp Hanley DR to I?

It is owned by the State Highway Agency.