US Bridges

Sneak RD over Callaway Fk Osage

PoorPosted for load

St. Charles County, Missouri · S 31 T 46 N R 1 E · Structure no. 22263

Built
1989
36 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
121
2024 count
Owner
County
County Highway Agency

About this bridge

Sneak RD over Callaway Fk Osage is a steel stringer/multi-beam or girder carrying Sneak RD over Callaway Fk Osage 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 121 vehicles a day, roughly 5% of them trucks, projected to reach 266 by 2044. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSneak RD
CrossesCallaway Fk Osage
LocationS 31 T 46 N R 1 E
RouteCounty Highway 348
Coordinates38.70146, -90.95779
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34.7 US tons
Inventory rating20.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic121 (2024)
Projected traffic266 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$234,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sneak RD over Callaway Fk Osage built?

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

What condition is Sneak RD over Callaway Fk Osage in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does Sneak RD over Callaway Fk Osage carry?

About 121 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Sneak RD over Callaway Fk Osage?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 29 ft wide.

Who owns Sneak RD over Callaway Fk Osage?

It is owned by the County Highway Agency.