US Bridges

Crd 1200 over Trib of Drywood CR

Fair

Vernon County, Missouri · S 14 T 35 N R 32 W · Structure no. 28177

Built
1994
31 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Crd 1200 over Trib of Drywood CR is a steel stringer/multi-beam or girder carrying Crd 1200 over Trib of Drywood CR in Vernon County, Missouri. It was built in 1994, so it is 31 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 65 by 2043. The structure is 31 ft (9.4 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCrd 1200
CrossesTrib of Drywood CR
LocationS 14 T 35 N R 32 W
RouteCounty Highway 379
CountyVernon County
StateMissouri
Coordinates37.81266, -94.42081
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating80.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic65 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Crd 1200 over Trib of Drywood CR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Crd 1200 over Trib of 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 December 2023.

How much traffic does Crd 1200 over Trib of Drywood CR carry?

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

How long is Crd 1200 over Trib of Drywood CR?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 19 ft wide.

Who owns Crd 1200 over Trib of Drywood CR?

It is owned by the County Highway Agency.