US Bridges

Mo 94 E over Defiance CR

Fair

St. Charles County, Missouri · S 19 T 45 N R 2 E · Structure no. 518

Built
1961
64 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
2,041
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 94 E over Defiance CR is a concrete culvert carrying Mo 94 E over Defiance CR in St. Charles County, Missouri. It was built in 1961, so it is 64 years old, older 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 5 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 2,041 vehicles a day, roughly 8% of them trucks, projected to reach 3,674 by 2044. The structure is 21 ft (6.3 m) long and 36 ft wide. If it were closed, the detour would be 36 mi (58 km).

Location

Open in Google Maps
CarriesMo 94 E
CrossesDefiance CR
LocationS 19 T 45 N R 2 E
RouteState Highway 94
CountySt. Charles County
StateMissouri
Coordinates38.63063, -90.77997
Functional classRural 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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length21 ft (6.3 m)
Longest span18 ft (5.5 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,041 (2024)
Projected traffic3,674 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed36 mi (58 km)
TollOn a free road
National Highway SystemNo

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 94 E over Defiance CR built?

It was built in 1961, making it 64 years old in 2025.

What condition is Mo 94 E over Defiance 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 94 E over Defiance CR carry?

About 2,041 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Mo 94 E over Defiance CR?

The structure is 21 ft (6.3 m) long with a longest span of 18 ft (5.5 m) and a deck 36 ft wide.

Who owns Mo 94 E over Defiance CR?

It is owned by the State Highway Agency.