US Bridges

State Route 138 over Sheep Creek

Good

San Bernardino County, California · 08-SBD-138-3.62 · Structure no. 54 1286

Built
2018
7 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
200 ft
3 main spans
Daily traffic
22,500
2021 count
Owner
State
State Highway Agency

About this bridge

State Route 138 over Sheep Creek is a concrete continuous box beam or girders - multiple carrying State Route 138 over Sheep Creek in San Bernardino County, California. It was built in 2018, so it is 7 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 22,500 vehicles a day, roughly 16% of them trucks, projected to reach 27,000 by 2045. The structure is 200 ft (61 m) long and 81 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesState Route 138
CrossesSheep Creek
Location08-SBD-138-3.62
RouteState Highway 138
Coordinates34.42084, -117.60821
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 protection9 ExcellentNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadGreater than HL 93
Structure length200 ft (61 m)
Longest span79 ft (24 m)
Deck width81 ft (24.7 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,500 (2021)
Projected traffic27,000 by 2045
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was State Route 138 over Sheep Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is State Route 138 over Sheep 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 138 over Sheep Creek carry?

About 22,500 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is State Route 138 over Sheep Creek?

The structure is 200 ft (61 m) long with a longest span of 79 ft (24 m) and a deck 81 ft wide.

Who owns State Route 138 over Sheep Creek?

It is owned by the State Highway Agency.