US Bridges

Nut Tree Parkway over Putah South Canal

Good

Solano County, California · 500 Feet E Harbison DR · Structure no. 23C0224

Built
1993
32 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
15,420
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nut Tree Parkway over Putah South Canal is a prestressed concrete stringer/multi-beam or girder carrying Nut Tree Parkway over Putah South Canal in Solano County, California. It was built in 1993, so it is 32 years old, younger 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 15,420 vehicles a day, roughly 5% of them trucks, projected to reach 20,471 by 2044. The structure is 77 ft (23.5 m) long and 54 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNut Tree Parkway
CrossesPutah South Canal
Location500 Feet E Harbison DR
RouteCity Street 0
Coordinates38.36435, -121.96374
Functional classUrban Other Principal Arterial

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 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length77 ft (23.5 m)
Longest span74 ft (22.6 m)
Deck width54 ft (16.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,420 (2012)
Projected traffic20,471 by 2044
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 Nut Tree Parkway over Putah South Canal built?

It was built in 1993, making it 32 years old in 2025.

What condition is Nut Tree Parkway 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 Nut Tree Parkway over Putah South Canal carry?

About 15,420 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Nut Tree Parkway over Putah South Canal?

The structure is 77 ft (23.5 m) long with a longest span of 74 ft (22.6 m) and a deck 54 ft wide.

Who owns Nut Tree Parkway over Putah South Canal?

It is owned by the City or Municipal Highway Agency.