US Bridges

Locke RD over Clark Br

Good

Chariton County, Missouri · S 33 T 56 N R 18 W · Structure no. 19131

Built
1998
27 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
91 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

Locke RD over Clark Br is a prestressed concrete stringer/multi-beam or girder carrying Locke RD over Clark Br in Chariton County, Missouri. It was built in 1998, so it is 27 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2044. The structure is 91 ft (27.7 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLocke RD
CrossesClark Br
LocationS 33 T 56 N R 18 W
RouteCounty Highway 212
Coordinates39.61419, -92.93422
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length91 ft (27.7 m)
Longest span91 ft (27.7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic44 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 Locke RD over Clark Br built?

It was built in 1998, making it 27 years old in 2025.

What condition is Locke 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 September 2024.

How much traffic does Locke RD over Clark Br carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Locke RD over Clark Br?

The structure is 91 ft (27.7 m) long with a longest span of 91 ft (27.7 m) and a deck 24 ft wide.

Who owns Locke RD over Clark Br?

It is owned by the County Highway Agency.