US Bridges

Grimes Canyon RD over Grimes Canyon Wash

Fair

Ventura County, California · 1.8 MI N of S.R. 118 · Structure no. 52C0177

Built
1954
71 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
51 ft
2 main spans
Daily traffic
3,100
2019 count
Owner
County
County Highway Agency

About this bridge

Grimes Canyon RD over Grimes Canyon Wash is a steel continuous stringer/multi-beam or girder carrying Grimes Canyon RD over Grimes Canyon Wash in Ventura County, California. It was built in 1954, so it is 71 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 3,100 vehicles a day, roughly 3% of them trucks, projected to reach 5,780 by 2046. The structure is 51 ft (15.5 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesGrimes Canyon RD
CrossesGrimes Canyon Wash
Location1.8 MI N of S.R. 118
RouteCounty Highway 0
CountyVentura County
StateCalifornia
Coordinates34.29304, -118.92391
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.3 US tons
Inventory rating56.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length51 ft (15.5 m)
Longest span28 ft (8.5 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2019)
Projected traffic5,780 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Grimes Canyon RD over Grimes Canyon Wash built?

It was built in 1954, making it 71 years old in 2025.

What condition is Grimes Canyon RD over Grimes Canyon Wash 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 Grimes Canyon RD over Grimes Canyon Wash carry?

About 3,100 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Grimes Canyon RD over Grimes Canyon Wash?

The structure is 51 ft (15.5 m) long with a longest span of 28 ft (8.5 m) and a deck 23 ft wide.

Who owns Grimes Canyon RD over Grimes Canyon Wash?

It is owned by the County Highway Agency.