US Bridges

State Highway 330 over East Fork City Creek

Good

San Bernardino County, California · 08-SBD-330-33.68 · Structure no. 54 0345

Built
1948
77 years old, rebuilt 2020
Condition
Good
inspected December 2024
Type
Arch - Deck
Concrete
Length
152 ft
1 main span
Daily traffic
12,000
2022 count
Owner
State
State Highway Agency

About this bridge

State Highway 330 over East Fork City Creek is a concrete arch - deck carrying State Highway 330 over East Fork City Creek in San Bernardino County, California. It was built in 1948 and reconstructed in 2020, so it is 77 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 12,000 vehicles a day, roughly 4% of them trucks, projected to reach 15,000 by 2042. The structure is 152 ft (46.3 m) long and 34 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesState Highway 330
CrossesEast Fork City Creek
Location08-SBD-330-33.68
RouteState Highway 330
Coordinates34.18628, -117.1776
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 protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span100 ft (30.5 m)
Deck width34 ft (10.5 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2022)
Projected traffic15,000 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Highway 330 over East Fork City Creek built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2020.

What condition is State Highway 330 over East Fork City 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 December 2024.

How much traffic does State Highway 330 over East Fork City Creek carry?

About 12,000 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is State Highway 330 over East Fork City Creek?

The structure is 152 ft (46.3 m) long with a longest span of 100 ft (30.5 m) and a deck 34 ft wide.

Who owns State Highway 330 over East Fork City Creek?

It is owned by the State Highway Agency.