US Bridges

Cohansey Avenue over West Llagas Creek

Good

Santa Clara County, California · 0.25 MI W of Monterey HWY · Structure no. 37C0840

Built
2019
6 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
119 ft
1 main span
Daily traffic
4,521
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Cohansey Avenue over West Llagas Creek is a prestressed concrete box beam or girders - single or spread carrying Cohansey Avenue over West Llagas Creek in Santa Clara County, California. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,521 vehicles a day, roughly 1% of them trucks, projected to reach 5,681 by 2046. The structure is 119 ft (36.3 m) long and 75 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCohansey Avenue
CrossesWest Llagas Creek
Location0.25 MI W of Monterey HWY
RouteCity Street 0
Coordinates37.03431, -121.58722
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length119 ft (36.3 m)
Longest span116 ft (35.5 m)
Deck width75 ft (23 m)
Roadway width57 ft (17.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,521 (2023)
Projected traffic5,681 by 2046
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Cohansey Avenue over West Llagas Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Cohansey Avenue over West Llagas 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 December 2024.

How much traffic does Cohansey Avenue over West Llagas Creek carry?

About 4,521 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Cohansey Avenue over West Llagas Creek?

The structure is 119 ft (36.3 m) long with a longest span of 116 ft (35.5 m) and a deck 75 ft wide.

Who owns Cohansey Avenue over West Llagas Creek?

It is owned by the City or Municipal Highway Agency.