US Bridges

Collinsville RD over Lucol Hollow (birds Ldg)

Fair

Solano County, California · Birds Landing · Structure no. 23C0082

Built
1957
68 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
393
2004 count
Owner
County
County Highway Agency

About this bridge

Collinsville RD over Lucol Hollow (birds Ldg) is a concrete continuous culvert carrying Collinsville RD over Lucol Hollow (birds Ldg) in Solano County, California. It was built in 1957, so it is 68 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 393 vehicles a day, roughly 5% of them trucks, projected to reach 409 by 2041. The structure is 25 ft (7.6 m) long and 40 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesCollinsville RD
CrossesLucol Hollow (birds Ldg)
LocationBirds Landing
RouteCounty Highway 0
CountySolano County
StateCalifornia
Coordinates38.13177, -121.87173
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 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 evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic393 (2004)
Projected traffic409 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 Collinsville RD over Lucol Hollow (birds Ldg) built?

It was built in 1957, making it 68 years old in 2025.

What condition is Collinsville RD over Lucol Hollow (birds Ldg) 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 Collinsville RD over Lucol Hollow (birds Ldg) carry?

About 393 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is Collinsville RD over Lucol Hollow (birds Ldg)?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 40 ft wide.

Who owns Collinsville RD over Lucol Hollow (birds Ldg)?

It is owned by the County Highway Agency.