US Bridges

Rockville Road over Green Valley Creek

Fair

Solano County, California · 0.13 MI W Green Valley LN · Structure no. 23C0178

Built
1997
28 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
49 ft
2 main spans
Daily traffic
1,651
2011 count
Owner
County
County Highway Agency

About this bridge

Rockville Road over Green Valley Creek is a concrete continuous slab carrying Rockville Road over Green Valley Creek in Solano County, California. It was built in 1997, so it is 28 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 1,651 vehicles a day, roughly 1% of them trucks, projected to reach 5,453 by 2043. The structure is 49 ft (14.9 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRockville Road
CrossesGreen Valley Creek
Location0.13 MI W Green Valley LN
RouteCounty Highway 0
Coordinates38.25315, -122.16426
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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
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 rating48.9 US tons
Inventory rating34.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span24 ft (7.2 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,651 (2011)
Projected traffic5,453 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Rockville Road over Green Valley Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Rockville Road over Green Valley 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 November 2023.

How much traffic does Rockville Road over Green Valley Creek carry?

About 1,651 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Rockville Road over Green Valley Creek?

The structure is 49 ft (14.9 m) long with a longest span of 24 ft (7.2 m) and a deck 35 ft wide.

Who owns Rockville Road over Green Valley Creek?

It is owned by the County Highway Agency.