US Bridges

Little Hills Expy over Boschert CR

Fair

St. Charles County, Missouri · S 188 T 47 N R 5 E · Structure no. 22961

Built
1993
32 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
33 ft
2 main spans
Daily traffic
3,700
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Little Hills Expy over Boschert CR is a concrete culvert carrying Little Hills Expy over Boschert CR in St. Charles County, Missouri. It was built in 1993, so it is 32 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 3,700 vehicles a day, roughly 10% of them trucks, projected to reach 5,735 by 2044. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLittle Hills Expy
CrossesBoschert CR
LocationS 188 T 47 N R 5 E
RouteCity Street 0
CountySt. Charles County
StateMissouri
Coordinates38.81944, -90.49857
Functional classUrban Minor Arterial

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 inspectionJanuary 2024
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,700 (2024)
Projected traffic5,735 by 2044
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Little Hills Expy over Boschert CR built?

It was built in 1993, making it 32 years old in 2025.

What condition is Little Hills Expy 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 January 2024.

How much traffic does Little Hills Expy over Boschert CR carry?

About 3,700 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Little Hills Expy over Boschert CR?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m).

Who owns Little Hills Expy over Boschert CR?

It is owned by the City or Municipal Highway Agency.