US Bridges

Windmill RD over Jones CR

Fair

Dallas County, Missouri · S 11 T 32 N R 18 W · Structure no. 28715

Built
2000
25 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Windmill RD over Jones CR is a concrete continuous slab carrying Windmill RD over Jones CR in Dallas County, Missouri. It was built in 2000, so it is 25 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 70 by 2043. The structure is 21 ft (6.4 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWindmill RD
CrossesJones CR
LocationS 11 T 32 N R 18 W
RouteCounty Highway 305
Coordinates37.51195, -92.88467
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.7 US tons
Inventory rating21.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width22 ft (6.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Windmill RD over Jones CR built?

It was built in 2000, making it 25 years old in 2025.

What condition is Windmill RD over Jones 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 2024.

How much traffic does Windmill RD over Jones CR carry?

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

How long is Windmill RD over Jones CR?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.

Who owns Windmill RD over Jones CR?

It is owned by the County Highway Agency.