US Bridges

State Route 138 over Wildlife Uc

Good

San Bernardino County, California · 08-SBD-138-13.95 · Structure no. 54 1288

Built
2018
7 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
24,300
2021 count
Owner
State
State Highway Agency

About this bridge

State Route 138 over Wildlife Uc is a concrete slab carrying State Route 138 over Wildlife Uc 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 24,300 vehicles a day, roughly 11% of them trucks, projected to reach 30,000 by 2045. The structure is 30 ft (9.1 m) long and 82 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesState Route 138
CrossesWildlife Uc
Location08-SBD-138-13.95
RouteState Highway 138
Coordinates34.31611, -117.496
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length30 ft (9.1 m)
Longest span25 ft (7.7 m)
Deck width82 ft (25.1 m)
Roadway width79 ft (24.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,300 (2021)
Projected traffic30,000 by 2045
Trucks11%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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 Wildlife Uc built?

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

What condition is State Route 138 over Wildlife Uc 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 Wildlife Uc carry?

About 24,300 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is State Route 138 over Wildlife Uc?

The structure is 30 ft (9.1 m) long with a longest span of 25 ft (7.7 m) and a deck 82 ft wide.

Who owns State Route 138 over Wildlife Uc?

It is owned by the State Highway Agency.