US Bridges

San Timoteo Cyn RD over San Timoteo Creek

Good

San Bernardino County, California · 0.1 MI S Brookside RD · Structure no. 54C0373

Built
1970
55 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
161 ft
2 main spans
Daily traffic
12,000
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

San Timoteo Cyn RD over San Timoteo Creek is a prestressed concrete stringer/multi-beam or girder carrying San Timoteo Cyn RD over San Timoteo Creek in San Bernardino County, California. It was built in 1970, so it is 55 years old, older 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 12,000 vehicles a day, roughly 10% of them trucks, projected to reach 20,745 by 2042. The structure is 161 ft (49 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSan Timoteo Cyn RD
CrossesSan Timoteo Creek
Location0.1 MI S Brookside RD
RouteCity Street 0
Coordinates34.03251, -117.20844
Functional classUrban Other Principal Arterial

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 protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length161 ft (49 m)
Longest span49 ft (14.9 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2015)
Projected traffic20,745 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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 San Timoteo Cyn RD over San Timoteo Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is San Timoteo Cyn RD over San Timoteo 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 September 2024.

How much traffic does San Timoteo Cyn RD over San Timoteo Creek carry?

About 12,000 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is San Timoteo Cyn RD over San Timoteo Creek?

The structure is 161 ft (49 m) long with a longest span of 49 ft (14.9 m) and a deck 42 ft wide.

Who owns San Timoteo Cyn RD over San Timoteo Creek?

It is owned by the City or Municipal Highway Agency.