US Bridges

Mo 370 E over Cst Lakeside Park DR

Fair

St. Charles County, Missouri · S 1786 T 47 N R 4 E · Structure no. 11739

Built
1995
30 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
455 ft
3 main spans
Daily traffic
19,034
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 370 E over Cst Lakeside Park DR is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 370 E over Cst Lakeside Park DR in St. Charles 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 19,034 vehicles a day, roughly 5% of them trucks, projected to reach 32,358 by 2044. The structure is 455 ft (138.7 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMo 370 E
CrossesCst Lakeside Park DR
LocationS 1786 T 47 N R 4 E
RouteState Highway 370
Coordinates38.81749, -90.56116
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating73.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length455 ft (138.7 m)
Longest span78 ft (23.8 m)
Deck width58 ft (17.6 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,034 (2024)
Projected traffic32,358 by 2044
Trucks5%
Lanes on structure3
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mo 370 E over Cst Lakeside Park DR built?

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

What condition is Mo 370 E over Cst Lakeside Park DR 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 October 2023.

How much traffic does Mo 370 E over Cst Lakeside Park DR carry?

About 19,034 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 370 E over Cst Lakeside Park DR?

The structure is 455 ft (138.7 m) long with a longest span of 78 ft (23.8 m) and a deck 58 ft wide.

Who owns Mo 370 E over Cst Lakeside Park DR?

It is owned by the State Highway Agency.