US Bridges

Handle Rock Ridge over Walnut Fk

Good

Gentry County, Missouri · S 22 T 62 N R 32 W · Structure no. 34414

Built
2012
13 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
104 ft
3 main spans
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Handle Rock Ridge over Walnut Fk is a steel continuous stringer/multi-beam or girder carrying Handle Rock Ridge over Walnut Fk in Gentry County, Missouri. It was built in 2012, so it is 13 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 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 104 ft (31.6 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHandle Rock Ridge
CrossesWalnut Fk
LocationS 22 T 62 N R 32 W
RouteCounty Highway 329
Coordinates40.16549, -94.50069
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating55.6 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.6 m)
Longest span61 ft (18.7 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 by 2044
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Handle Rock Ridge over Walnut Fk built?

It was built in 2012, making it 13 years old in 2025.

What condition is Handle Rock Ridge over Walnut 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 2023.

How much traffic does Handle Rock Ridge over Walnut Fk carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Handle Rock Ridge over Walnut Fk?

The structure is 104 ft (31.6 m) long with a longest span of 61 ft (18.7 m) and a deck 20 ft wide.

Who owns Handle Rock Ridge over Walnut Fk?

It is owned by the County Highway Agency.