US Bridges

County RD 412 over Br of Cadet CR

FairPosted for load

Osage County, Missouri · S 36 T 44 N R 10 W · Structure no. 13081

Built
1940
85 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
32 ft
2 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 412 over Br of Cadet CR is a steel stringer/multi-beam or girder carrying County RD 412 over Br of Cadet CR in Osage County, Missouri. It was built in 1940, so it is 85 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 140 by 2043. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCounty RD 412
CrossesBr of Cadet CR
LocationS 36 T 44 N R 10 W
RouteCounty Highway 28
CountyOsage County
StateMissouri
Coordinates38.51802, -91.97953
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating28.8 US tons
Inventory rating13.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length32 ft (9.8 m)
Longest span14 ft (4.3 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic140 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 County RD 412 over Br of Cadet CR built?

It was built in 1940, making it 85 years old in 2025.

What condition is County RD 412 over Br of Cadet 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 April 2023.

How much traffic does County RD 412 over Br of Cadet CR carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 412 over Br of Cadet CR?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m) and a deck 20 ft wide.

Who owns County RD 412 over Br of Cadet CR?

It is owned by the County Highway Agency.