US Bridges

Aldridge RD over Putah South Canal

Good

Solano County, California · 500 Feet W Eubanks DR · Structure no. 23C0236

Built
1959
66 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete
Length
45 ft
2 main spans
Daily traffic
400
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Aldridge RD over Putah South Canal is a concrete slab carrying Aldridge RD over Putah South Canal 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 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 400 vehicles a day, roughly 2% of them trucks, projected to reach 665 by 2042. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAldridge RD
CrossesPutah South Canal
Location500 Feet W Eubanks DR
RouteCity Street 0
Coordinates38.40064, -121.96166
Functional classUrban 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 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length45 ft (13.7 m)
Longest span22 ft (6.7 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2009)
Projected traffic665 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Aldridge RD over Putah South Canal built?

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

What condition is Aldridge 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 Aldridge RD over Putah South Canal carry?

About 400 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Aldridge RD over Putah South Canal?

The structure is 45 ft (13.7 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.

Who owns Aldridge RD over Putah South Canal?

It is owned by the City or Municipal Highway Agency.