US Bridges

Ball RD over Silver Fk CR

FairPosted for load

Boone County, Missouri · S 30 T 51 N R 11 W · Structure no. 19789

Built
1970
55 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Ball RD over Silver Fk CR is a concrete culvert carrying Ball RD over Silver Fk CR in Boone County, Missouri. It was built in 1970, so it is 55 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 5 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 95 by 2043. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBall RD
CrossesSilver Fk CR
LocationS 30 T 51 N R 11 W
RouteCounty Highway 234
CountyBoone County
StateMissouri
Coordinates39.18406, -92.20008
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic95 by 2043
Trucks5%
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 byOther Local 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 Ball RD over Silver Fk CR built?

It was built in 1970, making it 55 years old in 2025.

What condition is Ball RD over Silver Fk 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 2024.

How much traffic does Ball RD over Silver Fk CR carry?

About 50 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Ball RD over Silver Fk CR?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Ball RD over Silver Fk CR?

It is owned by the County Highway Agency and maintained by the Other Local Agency.