US Bridges

NW 10th RD over Trib of Drywood CR

Good

Barton County, Missouri · S 19 T 32 N R 33 W · Structure no. 31846

Built
2006
19 years old
Condition
Good
inspected March 2023
Type
Slab
Prestressed Concrete
Length
33 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

NW 10th RD over Trib of Drywood CR is a prestressed concrete slab carrying NW 10th RD over Trib of Drywood CR in Barton 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2043. The structure is 33 ft (10.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNW 10th RD
CrossesTrib of Drywood CR
LocationS 19 T 32 N R 33 W
RouteCounty Highway 240
Coordinates37.52131, -94.60569
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span31 ft (9.6 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic42 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 10th RD over Trib of Drywood CR built?

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

What condition is NW 10th RD over Trib of Drywood CR 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 NW 10th RD over Trib of Drywood CR carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NW 10th RD over Trib of Drywood CR?

The structure is 33 ft (10.1 m) long with a longest span of 31 ft (9.6 m) and a deck 26 ft wide.

Who owns NW 10th RD over Trib of Drywood CR?

It is owned by the County Highway Agency.