US Bridges

I.O.O.F Ave over Miller Slough

Good

Santa Clara County, California · 0.1 MI E. of Monterey ST · Structure no. 37C0271

Built
1999
26 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete Continuous
Length
63 ft
2 main spans
Daily traffic
3,666
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

I.O.O.F Ave over Miller Slough is a concrete continuous slab carrying I.O.O.F Ave over Miller Slough in Santa Clara County, California. It was built in 1999, so it is 26 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 3,666 vehicles a day, roughly 4% of them trucks, projected to reach 5,049 by 2046. The structure is 63 ft (19.1 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI.O.O.F Ave
CrossesMiller Slough
Location0.1 MI E. of Monterey ST
RouteCity Street 0
Coordinates37.01294, -121.57035
Functional classUrban Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length63 ft (19.1 m)
Longest span30 ft (9.1 m)
Deck width60 ft (18.3 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,666 (2013)
Projected traffic5,049 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 I.O.O.F Ave over Miller Slough built?

It was built in 1999, making it 26 years old in 2025.

What condition is I.O.O.F Ave over Miller Slough 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 December 2024.

How much traffic does I.O.O.F Ave over Miller Slough carry?

About 3,666 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is I.O.O.F Ave over Miller Slough?

The structure is 63 ft (19.1 m) long with a longest span of 30 ft (9.1 m) and a deck 60 ft wide.

Who owns I.O.O.F Ave over Miller Slough?

It is owned by the City or Municipal Highway Agency.