US Bridges

Millville Plain RD over Dry Creek

Fair

Shasta County, California · 0.1 MI N of Dersch Road · Structure no. 06C0354

Built
1998
27 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete Continuous
Length
55 ft
2 main spans
Daily traffic
617
2014 count
Owner
County
County Highway Agency

About this bridge

Millville Plain RD over Dry Creek is a concrete continuous slab carrying Millville Plain RD over Dry Creek in Shasta County, California. It was built in 1998, so it is 27 years old, younger 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 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 617 vehicles a day, roughly 2% of them trucks, projected to reach 1,233 by 2041. The structure is 55 ft (16.7 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMillville Plain RD
CrossesDry Creek
Location0.1 MI N of Dersch Road
RouteCounty Highway 0
Coordinates40.48041, -122.20595
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 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 typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length55 ft (16.7 m)
Longest span28 ft (8.4 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic617 (2014)
Projected traffic1,233 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Millville Plain RD over Dry Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is Millville Plain RD over Dry 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 April 2024.

How much traffic does Millville Plain RD over Dry Creek carry?

About 617 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Millville Plain RD over Dry Creek?

The structure is 55 ft (16.7 m) long with a longest span of 28 ft (8.4 m) and a deck 30 ft wide.

Who owns Millville Plain RD over Dry Creek?

It is owned by the County Highway Agency.