US Bridges

Rt T S over Femme Osage CR

Fair

St. Charles County, Missouri · S 20 T 45 N R 1 E · Structure no. 2020

Built
1969
56 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
419
2024 count
Owner
State
State Highway Agency

About this bridge

Rt T S over Femme Osage CR is a concrete continuous culvert carrying Rt T S over Femme Osage CR in St. Charles County, Missouri. It was built in 1969, so it is 56 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 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 419 vehicles a day, roughly 13% of them trucks, projected to reach 817 by 2044. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt T S
CrossesFemme Osage CR
LocationS 20 T 45 N R 1 E
RouteState Highway 0T
Coordinates38.63477, -90.94246
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating92.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length31 ft (9.6 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic419 (2024)
Projected traffic817 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 Rt T S over Femme Osage CR built?

It was built in 1969, making it 56 years old in 2025.

What condition is Rt T S over Femme Osage 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 Rt T S over Femme Osage CR carry?

About 419 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Rt T S over Femme Osage CR?

The structure is 31 ft (9.6 m) long with a longest span of 15 ft (4.6 m).

Who owns Rt T S over Femme Osage CR?

It is owned by the State Highway Agency.