US Bridges

Montague Expwy over Berryessa Creek

Fair

Santa Clara County, California · 0.3 MI W of I-680 · Structure no. 37C0610

Built
2018
7 years old
Condition
Fair
inspected June 2021
Type
Slab
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
46,150
2012 count
Owner
County
County Highway Agency

About this bridge

Montague Expwy over Berryessa Creek is a prestressed concrete slab carrying Montague Expwy over Berryessa Creek in Santa Clara County, California. It was built in 2018, so it is 7 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 46,150 vehicles a day, roughly 5% of them trucks, projected to reach 61,414 by 2038. The structure is 68 ft (20.6 m) long and 159 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMontague Expwy
CrossesBerryessa Creek
Location0.3 MI W of I-680
RouteCounty Highway 0
Coordinates37.41231, -121.88649
Functional classUrban Other Principal 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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length68 ft (20.6 m)
Longest span63 ft (19.2 m)
Deck width159 ft (48.6 m)
Roadway width137 ft (41.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46,150 (2012)
Projected traffic61,414 by 2038
Trucks5%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Montague Expwy over Berryessa Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is Montague Expwy over Berryessa 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 June 2021.

How much traffic does Montague Expwy over Berryessa Creek carry?

About 46,150 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Montague Expwy over Berryessa Creek?

The structure is 68 ft (20.6 m) long with a longest span of 63 ft (19.2 m) and a deck 159 ft wide.

Who owns Montague Expwy over Berryessa Creek?

It is owned by the County Highway Agency.