US Bridges

State Route 2 over Swarthout Creek

Good

San Bernardino County, California · 08-SBD-002-1.00 · Structure no. 54 0359

Built
1926
99 years old, rebuilt 2012
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
21 ft
1 main span
Daily traffic
1,750
2021 count
Owner
State
State Highway Agency

About this bridge

State Route 2 over Swarthout Creek is a concrete slab carrying State Route 2 over Swarthout Creek in San Bernardino County, California. It was built in 1926 and reconstructed in 2012, so it is 99 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 1,750 vehicles a day, roughly 4% of them trucks, projected to reach 2,600 by 2045. The structure is 21 ft (6.4 m) long and 54 ft wide. If it were closed, the detour would be 31.7 mi (51 km).

CarriesState Route 2
CrossesSwarthout Creek
Location08-SBD-002-1.00
RouteState Highway 2
Coordinates34.36236, -117.63665
Functional classRural Minor 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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width54 ft (16.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2021)
Projected traffic2,600 by 2045
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.7 mi (51 km)
TollOn a free road
National Highway SystemNo

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 2 over Swarthout Creek built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 2012.

What condition is State Route 2 over Swarthout 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 August 2024.

How much traffic does State Route 2 over Swarthout Creek carry?

About 1,750 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is State Route 2 over Swarthout Creek?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 54 ft wide.

Who owns State Route 2 over Swarthout Creek?

It is owned by the State Highway Agency.