US Bridges

Rt P S over Four Mile CR

Fair

Dallas County, Missouri · S 9 T 34 N R 18 W · Structure no. 9759

Built
1946
79 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
55 ft
5 main spans
Daily traffic
334
2024 count
Owner
State
State Highway Agency

About this bridge

Rt P S over Four Mile CR is a concrete continuous culvert carrying Rt P S over Four Mile CR in Dallas County, Missouri. It was built in 1946, so it is 79 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 334 vehicles a day, roughly 5% of them trucks, projected to reach 484 by 2044. The structure is 55 ft (16.9 m) long and 21 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesRt P S
CrossesFour Mile CR
LocationS 9 T 34 N R 18 W
RouteState Highway 0P
Coordinates37.67818, -92.91984
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.6 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 10
Structure length55 ft (16.9 m)
Longest span10 ft (3 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic334 (2024)
Projected traffic484 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$306,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Rt P S over Four Mile CR built?

It was built in 1946, making it 79 years old in 2025.

What condition is Rt P S over Four Mile 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 November 2023.

How much traffic does Rt P S over Four Mile CR carry?

About 334 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Rt P S over Four Mile CR?

The structure is 55 ft (16.9 m) long with a longest span of 10 ft (3 m) and a deck 21 ft wide.

Who owns Rt P S over Four Mile CR?

It is owned by the State Highway Agency.