US Bridges

Putah Creek RD over Putah South Canal

Good

Solano County, California · 3.0 MI W Winters RD · Structure no. 23C0099

Built
1957
68 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
650
2010 count
Owner
County
County Highway Agency

About this bridge

Putah Creek RD over Putah South Canal is a concrete continuous tee beam carrying Putah Creek RD over Putah South Canal 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 650 vehicles a day, roughly 6% of them trucks, projected to reach 695 by 2042. The structure is 101 ft (30.8 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesPutah Creek RD
CrossesPutah South Canal
Location3.0 MI W Winters RD
RouteCounty Highway 0
Coordinates38.4929, -122.0045
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length101 ft (30.8 m)
Longest span38 ft (11.6 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2010)
Projected traffic695 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Putah Creek RD over Putah South Canal built?

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

What condition is Putah Creek RD over Putah South Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Putah Creek RD over Putah South Canal carry?

About 650 vehicles per day (2010 count), of which roughly 6% are trucks.

How long is Putah Creek RD over Putah South Canal?

The structure is 101 ft (30.8 m) long with a longest span of 38 ft (11.6 m) and a deck 28 ft wide.

Who owns Putah Creek RD over Putah South Canal?

It is owned by the County Highway Agency.