US Bridges

Cmp Bnta-Pr Fks RD over Cattle Cyn Crk

Fair

Los Angeles County, California · 5.7MI E/O San Gab Cyn RD · Structure no. 53C0972

Built
1932
93 years old
Condition
Fair
inspected October 2023
Type
Truss - Thru
Wood or Timber
Length
188 ft
3 main spans
Daily traffic
200
2017 count
Owner
County
County Highway Agency

About this bridge

Cmp Bnta-Pr Fks RD over Cattle Cyn Crk is a wood or timber truss - thru carrying Cmp Bnta-Pr Fks RD over Cattle Cyn Crk in Los Angeles County, California. It was built in 1932, so it is 93 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2041. The structure is 188 ft (57.3 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesCmp Bnta-Pr Fks RD
CrossesCattle Cyn Crk
Location5.7MI E/O San Gab Cyn RD
RouteCounty Highway 0
Coordinates34.229, -117.76899
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.9 US tons
Inventory rating20.7 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length188 ft (57.3 m)
Longest span60 ft (18.3 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2017)
Projected traffic200 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Cmp Bnta-Pr Fks RD over Cattle Cyn Crk built?

It was built in 1932, making it 93 years old in 2025.

What condition is Cmp Bnta-Pr Fks RD over Cattle Cyn Crk 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 October 2023.

How much traffic does Cmp Bnta-Pr Fks RD over Cattle Cyn Crk carry?

About 200 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Cmp Bnta-Pr Fks RD over Cattle Cyn Crk?

The structure is 188 ft (57.3 m) long with a longest span of 60 ft (18.3 m) and a deck 22 ft wide.

Who owns Cmp Bnta-Pr Fks RD over Cattle Cyn Crk?

It is owned by the County Highway Agency.