US Bridges

Four Corners RD over Br of Murphy CR

Fair

Camden County, Missouri · S 10 T 36 N R 14 W · Structure no. 22641

Built
1930
95 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
2 main spans
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

Four Corners RD over Br of Murphy CR is a steel stringer/multi-beam or girder carrying Four Corners RD over Br of Murphy CR in Camden County, Missouri. It was built in 1930, so it is 95 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 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 45 vehicles a day, roughly 10% of them trucks, projected to reach 88 by 2043. The structure is 30 ft (9.1 m) long and 21 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFour Corners RD
CrossesBr of Murphy CR
LocationS 10 T 36 N R 14 W
RouteCounty Highway 366
Coordinates37.86056, -92.45767
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating20.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic88 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Four Corners RD over Br of Murphy CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is Four Corners 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 Four Corners RD over Br of Murphy CR carry?

About 45 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Four Corners RD over Br of Murphy CR?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 21 ft wide.

Who owns Four Corners RD over Br of Murphy CR?

It is owned by the County Highway Agency.