US Bridges

Is 55 S over Crd Butler Hill RD

Fair

St. Louis County, Missouri · S 4 T 43 N R 6 E · Structure no. 4342

Built
1995
30 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
270 ft
4 main spans
Daily traffic
78,503
2024 count
Owner
State
State Highway Agency

About this bridge

Is 55 S over Crd Butler Hill RD is a prestressed concrete continuous stringer/multi-beam or girder carrying Is 55 S over Crd Butler Hill RD 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 78,503 vehicles a day, roughly 18% of them trucks, projected to reach 98,129 by 2044. The structure is 270 ft (82.3 m) long and 85 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 55 S
CrossesCrd Butler Hill RD
LocationS 4 T 43 N R 6 E
RouteInterstate 55
Coordinates38.48567, -90.35578
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating58.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length270 ft (82.3 m)
Longest span85 ft (25.9 m)
Deck width85 ft (26 m)
Roadway width82 ft (25.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic78,503 (2024)
Projected traffic98,129 by 2044
Trucks18%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 55 S over Crd Butler Hill RD built?

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

What condition is Is 55 S over Crd Butler Hill RD 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 Is 55 S over Crd Butler Hill RD carry?

About 78,503 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Is 55 S over Crd Butler Hill RD?

The structure is 270 ft (82.3 m) long with a longest span of 85 ft (25.9 m) and a deck 85 ft wide.

Who owns Is 55 S over Crd Butler Hill RD?

It is owned by the State Highway Agency.