US Bridges

Elm ST over Boschert CR

Fair

St. Charles County, Missouri · S 2892 T 47 N R 5 E · Structure no. 36265

Built
2018
7 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
20,500
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Elm ST over Boschert CR is a concrete culvert carrying Elm ST over Boschert CR in St. Charles County, Missouri. It was built in 2018, so it is 7 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 20,500 vehicles a day, roughly 10% of them trucks, projected to reach 31,775 by 2044. The structure is 24 ft (7.2 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesElm ST
CrossesBoschert CR
LocationS 2892 T 47 N R 5 E
RouteCity Street 0
Coordinates38.79322, -90.49797
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating88.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span11 ft (3.4 m)
Deck width58 ft (17.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2024)
Projected traffic31,775 by 2044
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Elm ST over Boschert CR built?

It was built in 2018, making it 7 years old in 2025.

What condition is Elm ST 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 Elm ST over Boschert CR carry?

About 20,500 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Elm ST over Boschert CR?

The structure is 24 ft (7.2 m) long with a longest span of 11 ft (3.4 m) and a deck 58 ft wide.

Who owns Elm ST over Boschert CR?

It is owned by the City or Municipal Highway Agency.