US Bridges

Church ST over Miller Slough

Fair

Santa Clara County, California · Near Howson ST · Structure no. 37C0272

Built
1960
65 years old, rebuilt 2003
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
56 ft
3 main spans
Daily traffic
7,469
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Church ST over Miller Slough is a concrete continuous slab carrying Church ST over Miller Slough in Santa Clara County, California. It was built in 1960 and reconstructed in 2003, so it is 65 years old, older 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 7,469 vehicles a day, roughly 4% of them trucks, projected to reach 8,695 by 2044. The structure is 56 ft (17.1 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesChurch ST
CrossesMiller Slough
LocationNear Howson ST
RouteCity Street 0
Coordinates37.01648, -121.5757
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating17.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length56 ft (17.1 m)
Longest span28 ft (8.5 m)
Deck width68 ft (20.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,469 (2013)
Projected traffic8,695 by 2044
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 Church ST over Miller Slough built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2003.

What condition is Church ST over Miller Slough 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 December 2024.

How much traffic does Church ST over Miller Slough carry?

About 7,469 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is Church ST over Miller Slough?

The structure is 56 ft (17.1 m) long with a longest span of 28 ft (8.5 m) and a deck 68 ft wide.

Who owns Church ST over Miller Slough?

It is owned by the City or Municipal Highway Agency.