US Bridges

Liggett RD over Dam Splwy

Fair

Jackson County, Missouri · S 11 T 48 N R 31 W · Structure no. 29690

Built
2000
25 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
316 ft
4 main spans
Daily traffic
5,738
2024 count
Owner
County
County Highway Agency

About this bridge

Liggett RD over Dam Splwy is a prestressed concrete continuous stringer/multi-beam or girder carrying Liggett RD over Dam Splwy in Jackson County, Missouri. It was built in 2000, so it is 25 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 5,738 vehicles a day, roughly 10% of them trucks, projected to reach 7,459 by 2044. The structure is 316 ft (96.3 m) long and 48 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLiggett RD
CrossesDam Splwy
LocationS 11 T 48 N R 31 W
RouteCounty Highway 232
CountyJackson County
StateMissouri
Coordinates38.99559, -94.31187
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length316 ft (96.3 m)
Longest span78 ft (23.8 m)
Deck width48 ft (14.6 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,738 (2024)
Projected traffic7,459 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 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 Liggett RD over Dam Splwy built?

It was built in 2000, making it 25 years old in 2025.

What condition is Liggett RD over Dam Splwy 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 February 2023.

How much traffic does Liggett RD over Dam Splwy carry?

About 5,738 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Liggett RD over Dam Splwy?

The structure is 316 ft (96.3 m) long with a longest span of 78 ft (23.8 m) and a deck 48 ft wide.

Who owns Liggett RD over Dam Splwy?

It is owned by the County Highway Agency.