US Bridges

Pleasant Knoll RD over Br of Murphy CR

Fair

Camden County, Missouri · S 10 T 36 N R 14 W · Structure no. 22652

Built
1960
65 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Pleasant Knoll RD over Br of Murphy CR is a steel stringer/multi-beam or girder carrying Pleasant Knoll RD over Br of Murphy CR in Camden County, Missouri. It was built in 1960, so it is 65 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.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 78 by 2043. The structure is 25 ft (7.6 m) long and 16 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesPleasant Knoll RD
CrossesBr of Murphy CR
LocationS 10 T 36 N R 14 W
RouteCounty Highway 367
Coordinates37.87076, -92.45498
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
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 rating46.6 US tons
Inventory rating29.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length25 ft (7.6 m)
Longest span24 ft (7.3 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic78 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 Pleasant Knoll RD over Br of Murphy CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is Pleasant Knoll RD over Br of Murphy 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 May 2024.

How much traffic does Pleasant Knoll RD over Br of Murphy CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Pleasant Knoll RD over Br of Murphy CR?

The structure is 25 ft (7.6 m) long with a longest span of 24 ft (7.3 m) and a deck 16 ft wide.

Who owns Pleasant Knoll RD over Br of Murphy CR?

It is owned by the County Highway Agency.