US Bridges

County RD Vireo over Trib Lit Drywood C

Fair

Vernon County, Missouri · S 11 T 34 N R 32 W · Structure no. 24897

Built
1950
75 years old, rebuilt 1992
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

County RD Vireo over Trib Lit Drywood C is a steel stringer/multi-beam or girder carrying County RD Vireo over Trib Lit Drywood C in Vernon County, Missouri. It was built in 1950 and reconstructed in 1992, so it is 75 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.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 46 by 2044. The structure is 31 ft (9.4 m) long and 19 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty RD Vireo
CrossesTrib Lit Drywood C
LocationS 11 T 34 N R 32 W
RouteCounty Highway 571
CountyVernon County
StateMissouri
Coordinates37.71476, -94.40762
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating43.7 US tons
Inventory rating29.8 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 span28 ft (8.5 m)
Deck width19 ft (5.7 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic46 by 2044
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 County RD Vireo over Trib Lit Drywood C built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1992.

What condition is County RD Vireo over Trib Lit Drywood C 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 February 2024.

How much traffic does County RD Vireo over Trib Lit Drywood C carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD Vireo over Trib Lit Drywood C?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 19 ft wide.

Who owns County RD Vireo over Trib Lit Drywood C?

It is owned by the County Highway Agency.