US Bridges

County RD 430th over Claude Br

Good

Polk County, Missouri · S 26 T 35 N R 22 W · Structure no. 35279

Built
2015
10 years old
Condition
Good
inspected April 2024
Type
Slab
Concrete
Length
36 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 430th over Claude Br is a concrete slab carrying County RD 430th over Claude Br in Polk County, Missouri. It was built in 2015, so it is 10 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 73 by 2044. The structure is 36 ft (11 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty RD 430th
CrossesClaude Br
LocationS 26 T 35 N R 22 W
RouteCounty Highway 590
CountyPolk County
StateMissouri
Coordinates37.76219, -93.33076
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.3 US tons
Inventory rating53.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span9 ft (2.7 m)
Deck width19 ft (5.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic73 by 2044
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 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 430th over Claude Br built?

It was built in 2015, making it 10 years old in 2025.

What condition is County RD 430th over Claude Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does County RD 430th over Claude Br carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 430th over Claude Br?

The structure is 36 ft (11 m) long with a longest span of 9 ft (2.7 m) and a deck 19 ft wide.

Who owns County RD 430th over Claude Br?

It is owned by the County Highway Agency.