US Bridges

Phelan Road over Horse Canyon

Fair

San Bernardino County, California · 9.2 MI W US 395 · Structure no. 54C0607

Built
1993
32 years old
Condition
Fair
inspected February 2024
Type
Culvert
Steel
Length
44 ft
3 main spans
Daily traffic
13,260
2016 count
Owner
County
County Highway Agency

About this bridge

Phelan Road over Horse Canyon is a steel culvert carrying Phelan Road over Horse Canyon in San Bernardino County, California. It was built in 1993, so it is 32 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 6 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 13,260 vehicles a day, roughly 4% of them trucks, projected to reach 16,932 by 2044. The structure is 44 ft (13.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPhelan Road
CrossesHorse Canyon
Location9.2 MI W US 395
RouteCounty Highway 0
Coordinates34.42631, -117.56081
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length44 ft (13.3 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,260 (2016)
Projected traffic16,932 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 Phelan Road over Horse Canyon built?

It was built in 1993, making it 32 years old in 2025.

What condition is Phelan Road over Horse Canyon 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 February 2024.

How much traffic does Phelan Road over Horse Canyon carry?

About 13,260 vehicles per day (2016 count), of which roughly 4% are trucks.

How long is Phelan Road over Horse Canyon?

The structure is 44 ft (13.3 m) long with a longest span of 11 ft (3.5 m).

Who owns Phelan Road over Horse Canyon?

It is owned by the County Highway Agency.