US Bridges

Drake School RD over Trib of Barren CR

Fair

Gasconade County, Missouri · S 6 T 43 N R 4 W · Structure no. 13366

Built
1900
125 years old, rebuilt 2004
Condition
Fair
inspected March 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
41
2024 count
Owner
County
County Highway Agency

About this bridge

Drake School RD over Trib of Barren CR is a concrete slab carrying Drake School RD over Trib of Barren CR in Gasconade County, Missouri. It was built in 1900 and reconstructed in 2004, so it is 125 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 41 vehicles a day, roughly 10% of them trucks, projected to reach 49 by 2044. The structure is 23 ft (7 m) long and 27 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesDrake School RD
CrossesTrib of Barren CR
LocationS 6 T 43 N R 4 W
RouteCounty Highway 36
CountyGasconade County
StateMissouri
Coordinates38.50803, -91.41842
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.7 US tons
Inventory rating20.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2024)
Projected traffic49 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Drake School RD over Trib of Barren CR built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2004.

What condition is Drake School RD over Trib of Barren 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 2024.

How much traffic does Drake School RD over Trib of Barren CR carry?

About 41 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Drake School RD over Trib of Barren CR?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 27 ft wide.

Who owns Drake School RD over Trib of Barren CR?

It is owned by the County Highway Agency.