US Bridges

Stony Hill RD over Barren Fk

Good

Gasconade County, Missouri · S 4 T 43 N R 4 W · Structure no. 32366

Built
2007
18 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete
Length
25 ft
2 main spans
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Stony Hill RD over Barren Fk is a concrete slab carrying Stony Hill RD over Barren Fk in Gasconade County, Missouri. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 48 by 2044. The structure is 25 ft (7.6 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesStony Hill RD
CrossesBarren Fk
LocationS 4 T 43 N R 4 W
RouteCounty Highway 33
Coordinates38.508, -91.37769
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo 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 evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span11 ft (3.4 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic48 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Stony Hill RD over Barren Fk built?

It was built in 2007, making it 18 years old in 2025.

What condition is Stony Hill RD over Barren Fk 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 Stony Hill RD over Barren Fk carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Stony Hill RD over Barren Fk?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.4 m) and a deck 20 ft wide.

Who owns Stony Hill RD over Barren Fk?

It is owned by the County Highway Agency.