US Bridges

Is 64 W over Peruque CR

FairPosted for load

St. Charles County, Missouri · S 33 T 46 N R 2 E · Structure no. 1207

Built
1968
57 years old, rebuilt 2007
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
223 ft
2 main spans
Daily traffic
33,588
2024 count
Owner
State
State Highway Agency

About this bridge

Is 64 W over Peruque CR is a steel continuous stringer/multi-beam or girder carrying Is 64 W over Peruque CR in St. Charles County, Missouri. It was built in 1968 and reconstructed in 2007, so it is 57 years old, older 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. Its operating status is: posted for load restriction.

It carries about 33,588 vehicles a day, roughly 7% of them trucks, projected to reach 57,100 by 2044. The structure is 223 ft (68 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 64 W
CrossesPeruque CR
LocationS 33 T 46 N R 2 E
RouteInterstate 64
CountySt. Charles County
StateMissouri
Coordinates38.78669, -90.80376
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length223 ft (68 m)
Longest span110 ft (33.5 m)
Deck width48 ft (14.7 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,588 (2024)
Projected traffic57,100 by 2044
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 64 W over Peruque CR built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 2007.

What condition is Is 64 W over Peruque CR 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 2023.

How much traffic does Is 64 W over Peruque CR carry?

About 33,588 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Is 64 W over Peruque CR?

The structure is 223 ft (68 m) long with a longest span of 110 ft (33.5 m) and a deck 48 ft wide.

Who owns Is 64 W over Peruque CR?

It is owned by the State Highway Agency.