US Bridges

Mo 94 E over Prairie CR

Fair

St. Charles County, Missouri · S 27 T 48 N R 5 E · Structure no. 5698

Built
1934
91 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
2,842
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 94 E over Prairie CR is a concrete continuous culvert carrying Mo 94 E over Prairie CR in St. Charles County, Missouri. It was built in 1934, so it is 91 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 2,842 vehicles a day, roughly 5% of them trucks, projected to reach 5,542 by 2044. The structure is 25 ft (7.5 m) long and 36 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesMo 94 E
CrossesPrairie CR
LocationS 27 T 48 N R 5 E
RouteState Highway 94
CountySt. Charles County
StateMissouri
Coordinates38.89743, -90.44486
Functional classRural Major Collector

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 alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating46.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.5 m)
Longest span9 ft (2.7 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,842 (2024)
Projected traffic5,542 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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 Prairie CR built?

It was built in 1934, making it 91 years old in 2025.

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

About 2,842 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Mo 94 E over Prairie CR?

The structure is 25 ft (7.5 m) long with a longest span of 9 ft (2.7 m) and a deck 36 ft wide.

Who owns Mo 94 E over Prairie CR?

It is owned by the State Highway Agency.