US Bridges

County RD 210 over Br of Salt CR

Fair

Knox County, Missouri · S 3 T 61 N R 13 W · Structure no. 32077

Built
2007
18 years old
Condition
Fair
inspected August 2023
Type
Channel Beam
Concrete
Length
33 ft
1 main span
Daily traffic
30
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 210 over Br of Salt CR is a concrete channel beam carrying County RD 210 over Br of Salt CR in Knox County, Missouri. It was built in 2007, so it is 18 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 38 by 2044. The structure is 33 ft (10.2 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty RD 210
CrossesBr of Salt CR
LocationS 3 T 61 N R 13 W
RouteCounty Highway 210
CountyKnox County
StateMissouri
Coordinates40.12333, -92.34603
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length33 ft (10.2 m)
Longest span31 ft (9.6 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2024)
Projected traffic38 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 210 over Br of Salt CR built?

It was built in 2007, making it 18 years old in 2025.

What condition is County RD 210 over Br of Salt 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 August 2023.

How much traffic does County RD 210 over Br of Salt CR carry?

About 30 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 210 over Br of Salt CR?

The structure is 33 ft (10.2 m) long with a longest span of 31 ft (9.6 m) and a deck 26 ft wide.

Who owns County RD 210 over Br of Salt CR?

It is owned by the County Highway Agency.