US Bridges

Plainsburg Road over Deadman Creek

Fair

Merced County, California · 1.2 MI S Le Grand RD · Structure no. 39C0060

Built
1955
70 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,092
2019 count
Owner
County
County Highway Agency

About this bridge

Plainsburg Road over Deadman Creek is a concrete continuous culvert carrying Plainsburg Road over Deadman Creek in Merced County, California. It was built in 1955, so it is 70 years old, older than the California average of 54.8 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 1,092 vehicles a day, roughly 10% of them trucks, projected to reach 3,800 by 2041. The structure is 22 ft (6.7 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesPlainsburg Road
CrossesDeadman Creek
Location1.2 MI S Le Grand RD
RouteCounty Highway 0
CountyMerced County
StateCalifornia
Coordinates37.21184, -120.32492
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,092 (2019)
Projected traffic3,800 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-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 Plainsburg Road over Deadman Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Plainsburg Road over Deadman 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 September 2024.

How much traffic does Plainsburg Road over Deadman Creek carry?

About 1,092 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Plainsburg Road over Deadman Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 33 ft wide.

Who owns Plainsburg Road over Deadman Creek?

It is owned by the County Highway Agency.