US Bridges

Silveyville RD over Mc Cune Creek

Fair

Solano County, California · 0.40 MI E Osage RD · Structure no. 23C0194

Built
1959
66 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
68 ft
3 main spans
Daily traffic
407
2004 count
Owner
County
County Highway Agency

About this bridge

Silveyville RD over Mc Cune Creek is a concrete continuous slab carrying Silveyville RD over Mc Cune Creek in Solano County, California. It was built in 1959, so it is 66 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 407 vehicles a day, roughly 5% of them trucks, projected to reach 567 by 2041. The structure is 68 ft (20.7 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesSilveyville RD
CrossesMc Cune Creek
Location0.40 MI E Osage RD
RouteCounty Highway 0
CountySolano County
StateCalifornia
Coordinates38.46048, -121.88714
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating25 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic407 (2004)
Projected traffic567 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Silveyville RD over Mc Cune Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Silveyville RD over Mc Cune 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 March 2023.

How much traffic does Silveyville RD over Mc Cune Creek carry?

About 407 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is Silveyville RD over Mc Cune Creek?

The structure is 68 ft (20.7 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns Silveyville RD over Mc Cune Creek?

It is owned by the County Highway Agency.