US Bridges

Interstate 10 over Mid Fk San Timoteo Creek

Good

Riverside County, California · 08-RIV-010-R5.71-CMSA · Structure no. 56 0215

Built
1951
74 years old, rebuilt 2011
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
102 ft
5 main spans
Daily traffic
44,500
2016 count
Owner
State
State Highway Agency

About this bridge

Interstate 10 over Mid Fk San Timoteo Creek is a concrete continuous slab carrying Interstate 10 over Mid Fk San Timoteo Creek in Riverside County, California. It was built in 1951 and reconstructed in 2011, so it is 74 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 44,500 vehicles a day, projected to reach 74,650 by 2040. The structure is 102 ft (31.2 m) long and 151 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesInterstate 10
CrossesMid Fk San Timoteo Creek
Location08-RIV-010-R5.71-CMSA
RouteInterstate 10
Coordinates33.94274, -117.00155
Functional classRural Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating28.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length102 ft (31.2 m)
Longest span22 ft (6.7 m)
Deck width151 ft (46 m)
Roadway width148 ft (45.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic44,500 (2016)
Projected traffic74,650 by 2040
Trucks0%
Lanes on structure8
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Interstate 10 over Mid Fk San Timoteo Creek built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2011.

What condition is Interstate 10 over Mid Fk 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 March 2023.

How much traffic does Interstate 10 over Mid Fk San Timoteo Creek carry?

About 44,500 vehicles per day (2016 count).

How long is Interstate 10 over Mid Fk San Timoteo Creek?

The structure is 102 ft (31.2 m) long with a longest span of 22 ft (6.7 m) and a deck 151 ft wide.

Who owns Interstate 10 over Mid Fk San Timoteo Creek?

It is owned by the State Highway Agency.