US Bridges

Farrel RD over Ulatis Creek

Fair

Solano County, California · Just E Orchard Ave · Structure no. 23C0101

Built
1988
37 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Concrete
Length
85 ft
1 main span
Daily traffic
2,119
2002 count
Owner
City
City or Municipal Highway Agency

About this bridge

Farrel RD over Ulatis Creek is a concrete box beam or girders - multiple carrying Farrel RD over Ulatis Creek in Solano County, California. It was built in 1988, so it is 37 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 2,119 vehicles a day, roughly 6% of them trucks, projected to reach 3,057 by 2043. The structure is 85 ft (25.9 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFarrel RD
CrossesUlatis Creek
LocationJust E Orchard Ave
RouteCity Street 0
Coordinates38.37917, -122.00437
Functional classUrban Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length85 ft (25.9 m)
Longest span83 ft (25.3 m)
Deck width48 ft (14.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,119 (2002)
Projected traffic3,057 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Farrel RD over Ulatis Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is Farrel RD over Ulatis 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 Farrel RD over Ulatis Creek carry?

About 2,119 vehicles per day (2002 count), of which roughly 6% are trucks.

How long is Farrel RD over Ulatis Creek?

The structure is 85 ft (25.9 m) long with a longest span of 83 ft (25.3 m) and a deck 48 ft wide.

Who owns Farrel RD over Ulatis Creek?

It is owned by the City or Municipal Highway Agency.