US Bridges

NW 160th LN over Trib Drywood CR

Fair

Barton County, Missouri · S 17 T 32 N R 33 W · Structure no. 17281

Built
1992
33 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

NW 160th LN over Trib Drywood CR is a steel stringer/multi-beam or girder carrying NW 160th LN over Trib Drywood CR in Barton County, Missouri. It was built in 1992, so it is 33 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 140 by 2043. The structure is 43 ft (13.1 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesNW 160th LN
CrossesTrib Drywood CR
LocationS 17 T 32 N R 33 W
RouteCounty Highway 147
Coordinates37.53356, -94.58897
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length43 ft (13.1 m)
Longest span38 ft (11.6 m)
Deck width22 ft (6.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic140 by 2043
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 NW 160th LN over Trib Drywood CR built?

It was built in 1992, making it 33 years old in 2025.

What condition is NW 160th LN over Trib Drywood CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does NW 160th LN over Trib Drywood CR carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NW 160th LN over Trib Drywood CR?

The structure is 43 ft (13.1 m) long with a longest span of 38 ft (11.6 m) and a deck 22 ft wide.

Who owns NW 160th LN over Trib Drywood CR?

It is owned by the County Highway Agency.