US Bridges

SW 20th RD over Dicks Fk

Good

Barton County, Missouri · S 34 T 32 N R 31 W · Structure no. 21014

Built
1985
40 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

SW 20th RD over Dicks Fk is a steel stringer/multi-beam or girder carrying SW 20th RD over Dicks Fk in Barton County, Missouri. It was built in 1985, so it is 40 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 54 ft (16.5 m) long and 22 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSW 20th RD
CrossesDicks Fk
LocationS 34 T 32 N R 31 W
RouteCounty Highway 285
Coordinates37.47259, -94.3355
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
Deck7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64.5 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length54 ft (16.5 m)
Longest span49 ft (14.9 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.4 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 closed6.8 mi (11 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 SW 20th RD over Dicks Fk built?

It was built in 1985, making it 40 years old in 2025.

What condition is SW 20th RD over Dicks 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 SW 20th RD over Dicks Fk carry?

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

How long is SW 20th RD over Dicks Fk?

The structure is 54 ft (16.5 m) long with a longest span of 49 ft (14.9 m) and a deck 22 ft wide.

Who owns SW 20th RD over Dicks Fk?

It is owned by the County Highway Agency.