US Bridges

NW 85th RD over Trib Lit Drywood C

Good

Barton County, Missouri · S 11 T 33 N R 32 W · Structure no. 28582

Built
1999
26 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

NW 85th RD over Trib Lit Drywood C is a concrete continuous slab carrying NW 85th RD over Trib Lit Drywood C in Barton County, Missouri. It was built in 1999, so it is 26 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2043. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNW 85th RD
CrossesTrib Lit Drywood C
LocationS 11 T 33 N R 32 W
RouteCounty Highway 84
Coordinates37.62761, -94.41062
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 rating71.4 US tons
Inventory rating42.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic28 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 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 85th RD over Trib Lit Drywood C built?

It was built in 1999, making it 26 years old in 2025.

What condition is NW 85th RD over Trib Lit Drywood C 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 85th RD over Trib Lit Drywood C carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NW 85th RD over Trib Lit Drywood C?

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 NW 85th RD over Trib Lit Drywood C?

It is owned by the County Highway Agency.