US Bridges

Walnut Ave over Pacheco Creek

Good

Santa Clara County, California · Just E/O SR 152 · Structure no. 37C0581

Built
1947
78 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
155 ft
3 main spans
Daily traffic
60
2014 count
Owner
County
County Highway Agency

About this bridge

Walnut Ave over Pacheco Creek is a concrete continuous tee beam carrying Walnut Ave over Pacheco Creek in Santa Clara County, California. It was built in 1947, so it is 78 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 60 vehicles a day, roughly 5% of them trucks, projected to reach 104 by 2046. The structure is 155 ft (47.3 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesWalnut Ave
CrossesPacheco Creek
LocationJust E/O SR 152
RouteCounty Highway 0
Coordinates36.98063, -121.38144
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating108.9 US tons
Inventory rating64.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length155 ft (47.3 m)
Longest span52 ft (15.8 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2014)
Projected traffic104 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Walnut Ave over Pacheco Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is Walnut Ave over Pacheco Creek 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 November 2024.

How much traffic does Walnut Ave over Pacheco Creek carry?

About 60 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Walnut Ave over Pacheco Creek?

The structure is 155 ft (47.3 m) long with a longest span of 52 ft (15.8 m) and a deck 25 ft wide.

Who owns Walnut Ave over Pacheco Creek?

It is owned by the County Highway Agency.