US Bridges

Sentous ST over San Jose Crk

Fair

Los Angeles County, California · 0.2MI S/O Valley Blvd · Structure no. 53C1516

Built
1968
57 years old, rebuilt 1971
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
1,173
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sentous ST over San Jose Crk is a steel stringer/multi-beam or girder carrying Sentous ST over San Jose Crk in Los Angeles County, California. It was built in 1968 and reconstructed in 1971, so it is 57 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 1,173 vehicles a day, roughly 3% of them trucks, projected to reach 1,290 by 2043. The structure is 81 ft (24.7 m) long and 38 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSentous ST
CrossesSan Jose Crk
Location0.2MI S/O Valley Blvd
RouteCity Street 0
Coordinates33.9995, -117.88131
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 protection9 ExcellentNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span77 ft (23.5 m)
Deck width38 ft (11.5 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,173 (2017)
Projected traffic1,290 by 2043
Trucks3%
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

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 Sentous ST over San Jose Crk built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1971.

What condition is Sentous ST over San Jose 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 June 2023.

How much traffic does Sentous ST over San Jose Crk carry?

About 1,173 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Sentous ST over San Jose Crk?

The structure is 81 ft (24.7 m) long with a longest span of 77 ft (23.5 m) and a deck 38 ft wide.

Who owns Sentous ST over San Jose Crk?

It is owned by the City or Municipal Highway Agency.