US Bridges

Lagonda RD over Slu of Puzzle CR

Good

Chariton County, Missouri · S 18 T 56 N R 16 W · Structure no. 16495

Built
1999
26 years old
Condition
Good
inspected October 2024
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
25
2024 count
Owner
County
County Highway Agency

About this bridge

Lagonda RD over Slu of Puzzle CR is a steel culvert carrying Lagonda RD over Slu of Puzzle CR in Chariton County, Missouri. It was built in 1999, so it is 26 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 28 by 2044. The structure is 22 ft (6.7 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesLagonda RD
CrossesSlu of Puzzle CR
LocationS 18 T 56 N R 16 W
RouteCounty Highway 122
Coordinates39.66171, -92.73722
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadOther
Structure length22 ft (6.7 m)
Longest span9 ft (2.7 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic28 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 Lagonda RD over Slu of Puzzle CR built?

It was built in 1999, making it 26 years old in 2025.

What condition is Lagonda RD over Slu of Puzzle CR 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 Lagonda RD over Slu of Puzzle CR carry?

About 25 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Lagonda RD over Slu of Puzzle CR?

The structure is 22 ft (6.7 m) long with a longest span of 9 ft (2.7 m) and a deck 18 ft wide.

Who owns Lagonda RD over Slu of Puzzle CR?

It is owned by the County Highway Agency.