US Bridges

Mo 370 E over Boschert CR

Fair

St. Charles County, Missouri · S 188 T 47 N R 5 E · Structure no. 4058

Built
1992
33 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
38,363
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 370 E over Boschert CR is a concrete continuous culvert carrying Mo 370 E over Boschert CR in St. Charles County, Missouri. It was built in 1992, so it is 33 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 38,363 vehicles a day, roughly 5% of them trucks, projected to reach 65,217 by 2044. The structure is 38 ft (11.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesMo 370 E
CrossesBoschert CR
LocationS 188 T 47 N R 5 E
RouteState Highway 370
CountySt. Charles County
StateMissouri
Coordinates38.81858, -90.49848
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating74.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length38 ft (11.5 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,363 (2024)
Projected traffic65,217 by 2044
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 370 E over Boschert CR built?

It was built in 1992, making it 33 years old in 2025.

What condition is Mo 370 E over Boschert 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 November 2023.

How much traffic does Mo 370 E over Boschert CR carry?

About 38,363 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 370 E over Boschert CR?

The structure is 38 ft (11.5 m) long with a longest span of 14 ft (4.3 m).

Who owns Mo 370 E over Boschert CR?

It is owned by the State Highway Agency.