US Bridges

Pleasants Valley R over Miller Canyon Creek

Fair

Solano County, California · 7.0 MI N Foothill DR · Structure no. 23C0096

Built
1907
118 years old
Condition
Fair
inspected August 2024
Type
Arch - Deck
Concrete
Length
47 ft
1 main span
Daily traffic
817
2011 count
Owner
County
County Highway Agency

About this bridge

Pleasants Valley R over Miller Canyon Creek is a concrete arch - deck carrying Pleasants Valley R over Miller Canyon Creek in Solano County, California. It was built in 1907, so it is 118 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 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 817 vehicles a day, roughly 8% of them trucks, projected to reach 1,871 by 2042. The structure is 47 ft (14.3 m) long and 19 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesPleasants Valley R
CrossesMiller Canyon Creek
Location7.0 MI N Foothill DR
RouteCounty Highway 0
Coordinates38.45128, -122.05634
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating27.9 US tons
Inventory rating16.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length47 ft (14.3 m)
Longest span40 ft (12.2 m)
Deck width19 ft (5.9 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic817 (2011)
Projected traffic1,871 by 2042
Trucks8%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pleasants Valley R over Miller Canyon Creek built?

It was built in 1907, making it 118 years old in 2025.

What condition is Pleasants Valley R over Miller Canyon 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 August 2024.

How much traffic does Pleasants Valley R over Miller Canyon Creek carry?

About 817 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is Pleasants Valley R over Miller Canyon Creek?

The structure is 47 ft (14.3 m) long with a longest span of 40 ft (12.2 m) and a deck 19 ft wide.

Who owns Pleasants Valley R over Miller Canyon Creek?

It is owned by the County Highway Agency.