US Bridges

Pat RD over Clark Br

Good

Chariton County, Missouri · S 8 T 55 N R 18 W · Structure no. 18836

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
71 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Pat RD over Clark Br is a steel stringer/multi-beam or girder carrying Pat RD over Clark Br in Chariton County, Missouri. It was built in 1996, so it is 29 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 17 by 2044. The structure is 71 ft (21.6 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPat RD
CrossesClark Br
LocationS 8 T 55 N R 18 W
RouteCounty Highway 201
Coordinates39.58119, -92.94442
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43.7 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length71 ft (21.6 m)
Longest span70 ft (21.3 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic17 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 Pat RD over Clark Br built?

It was built in 1996, making it 29 years old in 2025.

What condition is Pat RD over Clark 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 October 2024.

How much traffic does Pat RD over Clark Br carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Pat RD over Clark Br?

The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.3 m) and a deck 25 ft wide.

Who owns Pat RD over Clark Br?

It is owned by the County Highway Agency.