US Bridges

Ronald Reagan DR S over Is 64

Fair

St. Charles County, Missouri · S 3 T 46 N R 2 E · Structure no. 30733

Built
2005
20 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
222 ft
2 main spans
Daily traffic
8,940
2024 count
Owner
State
State Highway Agency

About this bridge

Ronald Reagan DR S over Is 64 is a steel continuous stringer/multi-beam or girder carrying Ronald Reagan DR S over Is 64 in St. Charles County, Missouri. It was built in 2005, so it is 20 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 8,940 vehicles a day, roughly 6% of them trucks, projected to reach 17,433 by 2044. The structure is 222 ft (67.7 m) long and 49 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRonald Reagan DR S
CrossesIs 64
LocationS 3 T 46 N R 2 E
RouteCity Street 0
CountySt. Charles County
StateMissouri
Coordinates38.77396, -90.78294
Functional classUrban Collector

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.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 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 rating99.2 US tons
Inventory rating59.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length222 ft (67.7 m)
Longest span108 ft (32.9 m)
Deck width49 ft (14.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,940 (2024)
Projected traffic17,433 by 2044
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Ronald Reagan DR S over Is 64 built?

It was built in 2005, making it 20 years old in 2025.

What condition is Ronald Reagan DR S over Is 64 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 Ronald Reagan DR S over Is 64 carry?

About 8,940 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Ronald Reagan DR S over Is 64?

The structure is 222 ft (67.7 m) long with a longest span of 108 ft (32.9 m) and a deck 49 ft wide.

Who owns Ronald Reagan DR S over Is 64?

It is owned by the State Highway Agency.