US Bridges

Femme Osage CR RD over Trib to Femme Osag

Good

St. Charles County, Missouri · S 301 T 45 N R 1 E · Structure no. 34707

Built
2014
11 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
32 ft
2 main spans
Daily traffic
340
2024 count
Owner
County
County Highway Agency

About this bridge

Femme Osage CR RD over Trib to Femme Osag is a concrete culvert carrying Femme Osage CR RD over Trib to Femme Osag in St. Charles County, Missouri. It was built in 2014, so it is 11 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 340 vehicles a day, roughly 40% of them trucks, projected to reach 748 by 2044. The structure is 32 ft (9.8 m) long and 40 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesFemme Osage CR RD
CrossesTrib to Femme Osag
LocationS 301 T 45 N R 1 E
RouteCounty Highway 359
Coordinates38.66458, -90.874
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.5 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length32 ft (9.8 m)
Longest span14 ft (4.3 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2024)
Projected traffic748 by 2044
Trucks40%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 to Femme Osag built?

It was built in 2014, making it 11 years old in 2025.

What condition is Femme Osage CR RD over Trib to Femme Osag in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

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

About 340 vehicles per day (2024 count), of which roughly 40% are trucks.

How long is Femme Osage CR RD over Trib to Femme Osag?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m) and a deck 40 ft wide.

Who owns Femme Osage CR RD over Trib to Femme Osag?

It is owned by the County Highway Agency.