US Bridges

Drake School RD over Trib of Barren for

Good

Gasconade County, Missouri · S 6 T 43 N R 4 W · Structure no. 31261

Built
2006
19 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Drake School RD over Trib of Barren for is a prestressed concrete stringer/multi-beam or girder carrying Drake School RD over Trib of Barren for in Gasconade County, Missouri. It was built in 2006, so it is 19 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, roughly 10% of them trucks, projected to reach 30 by 2044. The structure is 87 ft (26.5 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesDrake School RD
CrossesTrib of Barren for
LocationS 6 T 43 N R 4 W
RouteCounty Highway 36
Coordinates38.50967, -91.41632
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84.3 US tons
Inventory rating50.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span84 ft (25.6 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic30 by 2044
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 Drake School RD over Trib of Barren for built?

It was built in 2006, making it 19 years old in 2025.

What condition is Drake School RD over Trib of Barren for in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

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

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

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

The structure is 87 ft (26.5 m) long with a longest span of 84 ft (25.6 m) and a deck 26 ft wide.

Who owns Drake School RD over Trib of Barren for?

It is owned by the County Highway Agency.