US Bridges

SW 160th LN over E Drywood CR

Good

Barton County, Missouri · S 30 T 32 N R 33 W · Structure no. 17233

Built
1996
29 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

SW 160th LN over E Drywood CR is a concrete culvert carrying SW 160th LN over E Drywood CR in Barton County, Missouri. It was built in 1996, so it is 29 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSW 160th LN
CrossesE Drywood CR
LocationS 30 T 32 N R 33 W
RouteCounty Highway 146
Coordinates37.4972, -94.5904
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 SW 160th LN over E Drywood CR built?

It was built in 1996, making it 29 years old in 2025.

What condition is SW 160th LN over E 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 SW 160th LN over E Drywood CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SW 160th LN over E Drywood CR?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns SW 160th LN over E Drywood CR?

It is owned by the County Highway Agency.