US Bridges

Pleasant Hill RD over Walnut CR

FairPosted for load

Pettis County, Missouri · S 25 T 45 N R 21 W · Structure no. 20091

Built
1920
105 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
51 ft
2 main spans
Daily traffic
55
2024 count
Owner
County
County Highway Agency

About this bridge

Pleasant Hill RD over Walnut CR is a steel stringer/multi-beam or girder carrying Pleasant Hill RD over Walnut CR in Pettis County, Missouri. It was built in 1920, so it is 105 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 55 vehicles a day, roughly 10% of them trucks, projected to reach 94 by 2044. The structure is 51 ft (15.5 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesPleasant Hill RD
CrossesWalnut CR
LocationS 25 T 45 N R 21 W
RouteCounty Highway 246
CountyPettis County
StateMissouri
Coordinates38.63866, -93.1824
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.9 US tons
Inventory rating7.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length51 ft (15.5 m)
Longest span26 ft (7.9 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2024)
Projected traffic94 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$399,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pleasant Hill RD over Walnut CR built?

It was built in 1920, making it 105 years old in 2025.

What condition is Pleasant Hill RD over Walnut CR 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 2024.

How much traffic does Pleasant Hill RD over Walnut CR carry?

About 55 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Pleasant Hill RD over Walnut CR?

The structure is 51 ft (15.5 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.

Who owns Pleasant Hill RD over Walnut CR?

It is owned by the County Highway Agency.