US Bridges

Germain ST over Santa Susana Creek

Good

Los Angeles County, California · W Valley Circle Blvd · Structure no. 53C1177

Built
1971
54 years old
Condition
Good
inspected July 2022
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
925
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Germain ST over Santa Susana Creek is a concrete slab carrying Germain ST over Santa Susana Creek in Los Angeles County, California. It was built in 1971, so it is 54 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 925 vehicles a day, roughly 1% of them trucks, projected to reach 1,044 by 2040. The structure is 26 ft (7.9 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGermain ST
CrossesSanta Susana Creek
LocationW Valley Circle Blvd
RouteCity Street 0
Coordinates34.26255, -118.61072
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width37 ft (11.2 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic925 (2018)
Projected traffic1,044 by 2040
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 Germain ST over Santa Susana Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Germain ST over Santa Susana 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 July 2022.

How much traffic does Germain ST over Santa Susana Creek carry?

About 925 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Germain ST over Santa Susana Creek?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 37 ft wide.

Who owns Germain ST over Santa Susana Creek?

It is owned by the City or Municipal Highway Agency.