US Bridges

Stanfield Cutoff over Big Bear Lake

Fair

San Bernardino County, California · 0.05 MI N/O RTE 18 · Structure no. 54C0763

Built
1975
50 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
30 ft
3 main spans
Daily traffic
9,400
2015 count
Owner
County
County Highway Agency

About this bridge

Stanfield Cutoff over Big Bear Lake is a steel culvert carrying Stanfield Cutoff over Big Bear Lake in San Bernardino County, California. It was built in 1975, so it is 50 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 9,400 vehicles a day, roughly 1% of them trucks, projected to reach 11,000 by 2042. The structure is 30 ft (9.1 m) long and 56 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesStanfield Cutoff
CrossesBig Bear Lake
Location0.05 MI N/O RTE 18
RouteCounty Highway 0
CountySan Bernardino County
StateCalifornia
Coordinates34.259, -116.88414
Functional classRural Minor Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span7 ft (2.1 m)
Deck width56 ft (17.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,400 (2015)
Projected traffic11,000 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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 Stanfield Cutoff over Big Bear Lake built?

It was built in 1975, making it 50 years old in 2025.

What condition is Stanfield Cutoff over Big Bear Lake 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 July 2023.

How much traffic does Stanfield Cutoff over Big Bear Lake carry?

About 9,400 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Stanfield Cutoff over Big Bear Lake?

The structure is 30 ft (9.1 m) long with a longest span of 7 ft (2.1 m) and a deck 56 ft wide.

Who owns Stanfield Cutoff over Big Bear Lake?

It is owned by the County Highway Agency.