US Bridges

State Route 60 over Lower Deer Creek

Fair

San Bernardino County, California · 08-SBD-060-R8.37-ONT · Structure no. 54 0842

Built
1972
53 years old, rebuilt 1997
Condition
Fair
inspected October 2023
Type
Slab
Concrete Continuous
Length
75 ft
3 main spans
Daily traffic
215,000
2023 count
Owner
State
State Highway Agency

About this bridge

State Route 60 over Lower Deer Creek is a concrete continuous slab carrying State Route 60 over Lower Deer Creek in San Bernardino County, California. It was built in 1972 and reconstructed in 1997, so it is 53 years old, younger 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 215,000 vehicles a day, roughly 13% of them trucks, projected to reach 250,000 by 2045. The structure is 75 ft (23 m) long and 177 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesState Route 60
CrossesLower Deer Creek
Location08-SBD-060-R8.37-ONT
RouteState Highway 60
Coordinates34.03038, -117.58484
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length75 ft (23 m)
Longest span33 ft (10 m)
Deck width177 ft (53.8 m)
Roadway width171 ft (52.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215,000 (2023)
Projected traffic250,000 by 2045
Trucks13%
Lanes on structure11
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemYes

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 State Route 60 over Lower Deer Creek built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1997.

What condition is State Route 60 over Lower Deer Creek 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 State Route 60 over Lower Deer Creek carry?

About 215,000 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is State Route 60 over Lower Deer Creek?

The structure is 75 ft (23 m) long with a longest span of 33 ft (10 m) and a deck 177 ft wide.

Who owns State Route 60 over Lower Deer Creek?

It is owned by the State Highway Agency.