US Bridges

Femme Osage CR RD over Trib Femme Osage C

Fair

St. Charles County, Missouri · S 20 T 45 N R 1 E · Structure no. 32538

Built
2009
16 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
38 ft
3 main spans
Daily traffic
277
2024 count
Owner
County
County Highway Agency

About this bridge

Femme Osage CR RD over Trib Femme Osage C is a concrete continuous culvert carrying Femme Osage CR RD over Trib Femme Osage C in St. Charles County, Missouri. It was built in 2009, so it is 16 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 277 vehicles a day, roughly 10% of them trucks, projected to reach 609 by 2044. The structure is 38 ft (11.6 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFemme Osage CR RD
CrossesTrib Femme Osage C
LocationS 20 T 45 N R 1 E
RouteCounty Highway 356
CountySt. Charles County
StateMissouri
Coordinates38.64417, -90.94439
Functional classRural Local

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating85.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span9 ft (2.7 m)
Deck width34 ft (10.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic277 (2024)
Projected traffic609 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Femme Osage CR RD over Trib Femme Osage C built?

It was built in 2009, making it 16 years old in 2025.

What condition is Femme Osage CR RD over Trib Femme Osage C 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 February 2024.

How much traffic does Femme Osage CR RD over Trib Femme Osage C carry?

About 277 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Femme Osage CR RD over Trib Femme Osage C?

The structure is 38 ft (11.6 m) long with a longest span of 9 ft (2.7 m) and a deck 34 ft wide.

Who owns Femme Osage CR RD over Trib Femme Osage C?

It is owned by the County Highway Agency.