US Bridges

Forest Road 2N59 over Sawpit Canyon

Good

San Bernardino County, California · MP .3 on RTE 2N59 · Structure no. 051251000001004

Built
1972
53 years old, rebuilt 1998
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete
Length
124 ft
3 main spans
Daily traffic
25
1990 count
Owner
Federal
U.S. Forest Service

About this bridge

Forest Road 2N59 over Sawpit Canyon is a concrete box beam or girders - multiple carrying Forest Road 2N59 over Sawpit Canyon in San Bernardino County, California. It was built in 1972 and reconstructed in 1998, 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 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 25 vehicles a day, projected to reach 37 by 2045. The structure is 124 ft (37.8 m) long and 16 ft wide.

CarriesForest Road 2N59
CrossesSawpit Canyon
LocationMP .3 on RTE 2N59
RouteFederal Lands Road 2N59
Coordinates34.27343, -117.06938
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation*: *
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating—
Inventory rating—

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length124 ft (37.8 m)
Longest span48 ft (14.6 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (1990)
Projected traffic37 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$11,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Forest Road 2N59 over Sawpit Canyon built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1998.

What condition is Forest Road 2N59 over Sawpit Canyon 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 Forest Road 2N59 over Sawpit Canyon carry?

About 25 vehicles per day (1990 count).

How long is Forest Road 2N59 over Sawpit Canyon?

The structure is 124 ft (37.8 m) long with a longest span of 48 ft (14.6 m) and a deck 16 ft wide.

Who owns Forest Road 2N59 over Sawpit Canyon?

It is owned by the U.S. Forest Service.