US Bridges

Tassajara Road over Cachagua Creek

Fair

Monterey County, California · Int Cachagua & Tassajara · Structure no. 44C0119

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
660
2016 count
Owner
County
County Highway Agency

About this bridge

Tassajara Road over Cachagua Creek is a steel stringer/multi-beam or girder carrying Tassajara Road over Cachagua Creek in Monterey County, California. It was built in 1950, so it is 75 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 5 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 660 vehicles a day, roughly 3% of them trucks, projected to reach 1,240 by 2041. The structure is 25 ft (7.6 m) long and 22 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesTassajara Road
CrossesCachagua Creek
LocationInt Cachagua & Tassajara
RouteCounty Highway 0
CountyMonterey County
StateCalifornia
Coordinates36.39099, -121.5951
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating31.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width22 ft (6.6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic660 (2016)
Projected traffic1,240 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

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 Tassajara Road over Cachagua Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Tassajara Road over Cachagua 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 April 2024.

How much traffic does Tassajara Road over Cachagua Creek carry?

About 660 vehicles per day (2016 count), of which roughly 3% are trucks.

How long is Tassajara Road over Cachagua Creek?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 22 ft wide.

Who owns Tassajara Road over Cachagua Creek?

It is owned by the County Highway Agency.