US Bridges

S15-OLD HWY 58-S15 over Hiker Ditch

Good

San Bernardino County, California · 08-SBD-015-76.76 · Structure no. 54 0644E

Built
1960
65 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
1,300
2014 count
Owner
State
State Highway Agency

About this bridge

S15-OLD HWY 58-S15 over Hiker Ditch is a concrete continuous culvert carrying S15-OLD HWY 58-S15 over Hiker Ditch in San Bernardino County, California. It was built in 1960, so it is 65 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 1,300 vehicles a day, roughly 2% of them trucks, projected to reach 2,050 by 2044. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS15-OLD HWY 58-S15
CrossesHiker Ditch
Location08-SBD-015-76.76
RouteInterstate 15
Coordinates34.90964, -116.97445
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2014)
Projected traffic2,050 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 S15-OLD HWY 58-S15 over Hiker Ditch built?

It was built in 1960, making it 65 years old in 2025.

What condition is S15-OLD HWY 58-S15 over Hiker Ditch 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 June 2024.

How much traffic does S15-OLD HWY 58-S15 over Hiker Ditch carry?

About 1,300 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is S15-OLD HWY 58-S15 over Hiker Ditch?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns S15-OLD HWY 58-S15 over Hiker Ditch?

It is owned by the State Highway Agency.