US Bridges

NW 55th RD over E Drywood CR

FairPosted for load

Barton County, Missouri · S 28 T 33 N R 33 W · Structure no. 16366

Built
1930
95 years old, rebuilt 1992
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
2 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

NW 55th RD over E Drywood CR is a steel stringer/multi-beam or girder carrying NW 55th RD over E Drywood CR in Barton County, Missouri. It was built in 1930 and reconstructed in 1992, so it is 95 years old, older 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. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, roughly 10% of them trucks, projected to reach 42 by 2043. The structure is 56 ft (17.1 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNW 55th RD
CrossesE Drywood CR
LocationS 28 T 33 N R 33 W
RouteCounty Highway 118
CountyBarton County
StateMissouri
Coordinates37.58777, -94.56354
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.8 US tons
Inventory rating8.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length56 ft (17.1 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$298,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was NW 55th RD over E Drywood CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1992.

What condition is NW 55th RD over E 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 55th RD over E Drywood CR carry?

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

How long is NW 55th RD over E Drywood CR?

The structure is 56 ft (17.1 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns NW 55th RD over E Drywood CR?

It is owned by the County Highway Agency.