US Bridges

Railroad Avenue over Wrigley Ford Creek

Poor

Santa Clara County, California · North of Weller Lane · Structure no. 37C0847

Built
1920
105 years old, rebuilt 1986
Condition
Poor
inspected April 2024
Type
Frame
Concrete
Length
74 ft
1 main span
Daily traffic
10
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Railroad Avenue over Wrigley Ford Creek is a concrete frame carrying Railroad Avenue over Wrigley Ford Creek in Santa Clara County, California. It was built in 1920 and reconstructed in 1986, so it is 105 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10 vehicles a day, roughly 10% of them trucks, projected to reach 13 by 2042. The structure is 74 ft (22.5 m) long and 33 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRailroad Avenue
CrossesWrigley Ford Creek
LocationNorth of Weller Lane
RouteCity Street 0
Coordinates37.43587, -121.90675
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating18.5 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+4 approach)
Design loadH 10
Structure length74 ft (22.5 m)
Longest span21 ft (6.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2023)
Projected traffic13 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$869,000 (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Railroad Avenue over Wrigley Ford Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1986.

What condition is Railroad Avenue over Wrigley Ford Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Railroad Avenue over Wrigley Ford Creek carry?

About 10 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Railroad Avenue over Wrigley Ford Creek?

The structure is 74 ft (22.5 m) long with a longest span of 21 ft (6.3 m) and a deck 33 ft wide.

Who owns Railroad Avenue over Wrigley Ford Creek?

It is owned by the City or Municipal Highway Agency.