US Bridges

Four Corners RD over Murphy Creek

Fair

Camden County, Missouri · S 9 T 36 N R 14 W · Structure no. 22633

Built
1960
65 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
36 ft
3 main spans
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

Four Corners RD over Murphy Creek is a concrete slab carrying Four Corners RD over Murphy Creek 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 45 vehicles a day, roughly 10% of them trucks, projected to reach 88 by 2043. The structure is 36 ft (11 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesFour Corners RD
CrossesMurphy Creek
LocationS 9 T 36 N R 14 W
RouteCounty Highway 366
Coordinates37.861, -92.47575
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
Deck7 GoodSome minor problems.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length36 ft (11 m)
Longest span11 ft (3.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 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 Murphy Creek built?

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

What condition is Four Corners RD over Murphy Creek 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 Murphy Creek carry?

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

How long is Four Corners RD over Murphy Creek?

The structure is 36 ft (11 m) long with a longest span of 11 ft (3.4 m) and a deck 24 ft wide.

Who owns Four Corners RD over Murphy Creek?

It is owned by the County Highway Agency.