US Bridges

Schluersburg RD over Trib of Femme Osag

Fair

St. Charles County, Missouri · S 26 T 45 N R 1 E · Structure no. 22925

Built
1989
36 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
284
2024 count
Owner
County
County Highway Agency

About this bridge

Schluersburg RD over Trib of Femme Osag is a steel stringer/multi-beam or girder carrying Schluersburg RD over Trib of Femme Osag in St. Charles County, Missouri. It was built in 1989, so it is 36 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 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 284 vehicles a day, roughly 15% of them trucks, projected to reach 625 by 2044. The structure is 63 ft (19.2 m) long and 30 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesSchluersburg RD
CrossesTrib of Femme Osag
LocationS 26 T 45 N R 1 E
RouteCounty Highway 381
CountySt. Charles County
StateMissouri
Coordinates38.62638, -90.87112
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length63 ft (19.2 m)
Longest span60 ft (18.3 m)
Deck width30 ft (9.2 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic284 (2024)
Projected traffic625 by 2044
Trucks15%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Schluersburg RD over Trib of Femme Osag built?

It was built in 1989, making it 36 years old in 2025.

What condition is Schluersburg RD over Trib of Femme Osag 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 Schluersburg RD over Trib of Femme Osag carry?

About 284 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Schluersburg RD over Trib of Femme Osag?

The structure is 63 ft (19.2 m) long with a longest span of 60 ft (18.3 m) and a deck 30 ft wide.

Who owns Schluersburg RD over Trib of Femme Osag?

It is owned by the County Highway Agency.