US Bridges

Green Valley Lk RD over North Fork Deep Creek

Fair

San Bernardino County, California · 10 West of Route 18 · Structure no. 54C0046

Built
1940
85 years old, rebuilt 1959
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
849
2015 count
Owner
County
County Highway Agency

About this bridge

Green Valley Lk RD over North Fork Deep Creek is a steel stringer/multi-beam or girder carrying Green Valley Lk RD over North Fork Deep Creek in San Bernardino County, California. It was built in 1940 and reconstructed in 1959, so it is 85 years old, older 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 5 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 849 vehicles a day, roughly 1% of them trucks, projected to reach 1,197 by 2042. The structure is 25 ft (7.6 m) long and 48 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesGreen Valley Lk RD
CrossesNorth Fork Deep Creek
Location10 West of Route 18
RouteCounty Highway 0
Coordinates34.21935, -117.07166
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width48 ft (14.6 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic849 (2015)
Projected traffic1,197 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Green Valley Lk RD over North Fork Deep Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1959.

What condition is Green Valley Lk RD over North Fork Deep Creek 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 Green Valley Lk RD over North Fork Deep Creek carry?

About 849 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Green Valley Lk RD over North Fork Deep Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 48 ft wide.

Who owns Green Valley Lk RD over North Fork Deep Creek?

It is owned by the County Highway Agency.