US Bridges

Laguna Palma RD over N Fk Lk Laguna Pal

Fair

Jefferson County, Missouri · S 36 T 39 N R 5 E · Structure no. 22413

Built
1986
39 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Laguna Palma RD over N Fk Lk Laguna Pal is a concrete continuous slab carrying Laguna Palma RD over N Fk Lk Laguna Pal in Jefferson County, Missouri. It was built in 1986, so it is 39 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 100 by 2043. The structure is 29 ft (8.8 m) long and 26 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesLaguna Palma RD
CrossesN Fk Lk Laguna Pal
LocationS 36 T 39 N R 5 E
RouteCounty Highway 352
CountyJefferson County
StateMissouri
Coordinates38.04333, -90.41667
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic100 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Laguna Palma RD over N Fk Lk Laguna Pal built?

It was built in 1986, making it 39 years old in 2025.

What condition is Laguna Palma RD over N Fk Lk Laguna Pal 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 January 2025.

How much traffic does Laguna Palma RD over N Fk Lk Laguna Pal carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Laguna Palma RD over N Fk Lk Laguna Pal?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns Laguna Palma RD over N Fk Lk Laguna Pal?

It is owned by the County Highway Agency.