US Bridges

Mountain Springs R over Buckhorn Wash

Good

San Bernardino County, California · 0.1 MI NW Slvr Lk Pkwy · Structure no. 54C0419

Built
1972
53 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
106 ft
4 main spans
Daily traffic
1,583
2016 count
Owner
County
County Highway Agency

About this bridge

Mountain Springs R over Buckhorn Wash is a concrete continuous slab carrying Mountain Springs R over Buckhorn Wash in San Bernardino County, California. It was built in 1972, 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 1,583 vehicles a day, roughly 2% of them trucks, projected to reach 1,597 by 2042. The structure is 106 ft (32.3 m) long and 53 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMountain Springs R
CrossesBuckhorn Wash
Location0.1 MI NW Slvr Lk Pkwy
RouteCounty Highway 0
CountySan Bernardino County
StateCalifornia
Coordinates34.75404, -117.34704
Functional classRural Minor Collector

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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating28.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length106 ft (32.3 m)
Longest span26 ft (7.9 m)
Deck width53 ft (16.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,583 (2016)
Projected traffic1,597 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mountain Springs R over Buckhorn Wash built?

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

What condition is Mountain Springs R over Buckhorn Wash 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 2023.

How much traffic does Mountain Springs R over Buckhorn Wash carry?

About 1,583 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Mountain Springs R over Buckhorn Wash?

The structure is 106 ft (32.3 m) long with a longest span of 26 ft (7.9 m) and a deck 53 ft wide.

Who owns Mountain Springs R over Buckhorn Wash?

It is owned by the County Highway Agency.