US Bridges

Schubert RD over Boone CR

Fair

Franklin County, Missouri · S 29 T 41 N R 3 W · Structure no. 22332

Built
1991
34 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
143 ft
4 main spans
Daily traffic
75
2023 count
Owner
County
County Highway Agency

About this bridge

Schubert RD over Boone CR is a concrete slab carrying Schubert RD over Boone CR in Franklin County, Missouri. It was built in 1991, so it is 34 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 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 135 by 2043. The structure is 143 ft (43.6 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesSchubert RD
CrossesBoone CR
LocationS 29 T 41 N R 3 W
RouteCounty Highway 361
CountyFranklin County
StateMissouri
Coordinates38.26743, -91.2836
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating68.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span39 ft (11.9 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2023)
Projected traffic135 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Schubert RD over Boone CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Schubert RD over Boone 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 March 2023.

How much traffic does Schubert RD over Boone CR carry?

About 75 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Schubert RD over Boone CR?

The structure is 143 ft (43.6 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns Schubert RD over Boone CR?

It is owned by the County Highway Agency.