US Bridges

Maintanence Road over Permanente Creek

Fair

Santa Clara County, California · 0.5 MI West of Shoreline · Structure no. 37C0421

Built
1997
28 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
75 ft
1 main span
Daily traffic
200
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Maintanence Road over Permanente Creek is a concrete tee beam carrying Maintanence Road over Permanente Creek in Santa Clara County, California. It was built in 1997, so it is 28 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 200 vehicles a day, roughly 5% of them trucks, projected to reach 229 by 2044. The structure is 75 ft (22.9 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMaintanence Road
CrossesPermanente Creek
Location0.5 MI West of Shoreline
RouteCity Street 0
CountySanta Clara County
StateCalifornia
Coordinates37.42839, -122.08676
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span70 ft (21.3 m)
Deck width20 ft (6.1 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2013)
Projected traffic229 by 2044
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Maintanence Road over Permanente Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Maintanence Road over Permanente Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Maintanence Road over Permanente Creek carry?

About 200 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Maintanence Road over Permanente Creek?

The structure is 75 ft (22.9 m) long with a longest span of 70 ft (21.3 m) and a deck 20 ft wide.

Who owns Maintanence Road over Permanente Creek?

It is owned by the City or Municipal Highway Agency.