US Bridges

State Route 60 over UP RR San Antonio Creek

Fair

San Bernardino County, California · 08-SBD-060-R0.06-CHN · Structure no. 54 0741

Built
1970
55 years old, rebuilt 1997
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete Continuous
Length
220 ft
4 main spans
Daily traffic
218,000
2021 count
Owner
State
State Highway Agency

About this bridge

State Route 60 over UP RR San Antonio Creek is a prestressed concrete continuous slab carrying State Route 60 over UP RR San Antonio Creek in San Bernardino County, California. It was built in 1970 and reconstructed in 1997, 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 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 218,000 vehicles a day, roughly 13% of them trucks, projected to reach 270,000 by 2043. The structure is 220 ft (67 m) long and 181 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 60
CrossesUP RR San Antonio Creek
Location08-SBD-060-R0.06-CHN
RouteState Highway 60
Coordinates34.02487, -117.72854
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+4 approach)
Design loadHS 20 + Mod
Structure length220 ft (67 m)
Longest span66 ft (20 m)
Deck width181 ft (55.2 m)
Roadway width176 ft (53.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic218,000 (2021)
Projected traffic270,000 by 2043
Trucks13%
Lanes on structure12
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.2 mi (2 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 UP RR San Antonio Creek built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1997.

What condition is State Route 60 over UP RR San Antonio 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 September 2023.

How much traffic does State Route 60 over UP RR San Antonio Creek carry?

About 218,000 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is State Route 60 over UP RR San Antonio Creek?

The structure is 220 ft (67 m) long with a longest span of 66 ft (20 m) and a deck 181 ft wide.

Who owns State Route 60 over UP RR San Antonio Creek?

It is owned by the State Highway Agency.