US Bridges

Paddon Road over Putah South Canal

Good

Solano County, California · 0.3 MI N Robinson Road · Structure no. 23C0172

Built
1955
70 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Concrete
Length
58 ft
2 main spans
Daily traffic
241
2011 count
Owner
County
County Highway Agency

About this bridge

Paddon Road over Putah South Canal is a concrete tee beam carrying Paddon Road over Putah South Canal in Solano County, California. It was built in 1955, so it is 70 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 241 vehicles a day, roughly 2% of them trucks, projected to reach 482 by 2044. The structure is 58 ft (17.7 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPaddon Road
CrossesPutah South Canal
Location0.3 MI N Robinson Road
RouteCounty Highway 0
Coordinates38.42633, -121.95329
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating42.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length58 ft (17.7 m)
Longest span28 ft (8.5 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic241 (2011)
Projected traffic482 by 2044
Trucks2%
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 Paddon Road over Putah South Canal built?

It was built in 1955, making it 70 years old in 2025.

What condition is Paddon Road 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 Paddon Road over Putah South Canal carry?

About 241 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Paddon Road over Putah South Canal?

The structure is 58 ft (17.7 m) long with a longest span of 28 ft (8.5 m) and a deck 24 ft wide.

Who owns Paddon Road over Putah South Canal?

It is owned by the County Highway Agency.