US Bridges

Montague Expwy over Coyote Creek

Good

Santa Clara County, California · 0.5 MI Sw/O I-880 · Structure no. 37C0075R

Built
1966
59 years old, rebuilt 1974
Condition
Good
inspected June 2023
Type
Tee Beam
Concrete Continuous
Length
205 ft
5 main spans
Daily traffic
73,260
2012 count
Owner
County
County Highway Agency

About this bridge

Montague Expwy over Coyote Creek is a concrete continuous tee beam carrying Montague Expwy over Coyote Creek in Santa Clara County, California. It was built in 1966 and reconstructed in 1974, so it is 59 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 73,260 vehicles a day, roughly 5% of them trucks, projected to reach 82,775 by 2045. The structure is 205 ft (62.5 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMontague Expwy
CrossesCoyote Creek
Location0.5 MI Sw/O I-880
RouteCounty Highway 0
Coordinates37.39576, -121.91537
Functional classUrban Other Principal Arterial

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 inspectionJune 2023
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 alignment9: Superior to present desirable criteria
Operating rating90.7 US tons
Inventory rating54.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length205 ft (62.5 m)
Longest span45 ft (13.6 m)
Deck width58 ft (17.7 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic73,260 (2012)
Projected traffic82,775 by 2045
Trucks5%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Montague Expwy over Coyote Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1974.

What condition is Montague Expwy over Coyote 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 June 2023.

How much traffic does Montague Expwy over Coyote Creek carry?

About 73,260 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Montague Expwy over Coyote Creek?

The structure is 205 ft (62.5 m) long with a longest span of 45 ft (13.6 m) and a deck 58 ft wide.

Who owns Montague Expwy over Coyote Creek?

It is owned by the County Highway Agency.