US Bridges

Rock Creek RD over Bailey Creek

Fair

Shasta County, California · 0.7 MI S of SR 44 · Structure no. 06C0093

Built
1930
95 years old, rebuilt 2015
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
56 ft
3 main spans
Daily traffic
42
2014 count
Owner
County
County Highway Agency

About this bridge

Rock Creek RD over Bailey Creek is a wood or timber stringer/multi-beam or girder carrying Rock Creek RD over Bailey Creek in Shasta County, California. It was built in 1930 and reconstructed in 2015, so it is 95 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 42 vehicles a day, roughly 5% of them trucks, projected to reach 120 by 2041. The structure is 56 ft (17.1 m) long and 18 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesRock Creek RD
CrossesBailey Creek
Location0.7 MI S of SR 44
RouteCounty Highway 0
CountyShasta County
StateCalifornia
Coordinates40.51046, -121.72774
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating23.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 15
Structure length56 ft (17.1 m)
Longest span19 ft (5.8 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2014)
Projected traffic120 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 Rock Creek RD over Bailey Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2015.

What condition is Rock Creek RD over Bailey 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 April 2024.

How much traffic does Rock Creek RD over Bailey Creek carry?

About 42 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Rock Creek RD over Bailey Creek?

The structure is 56 ft (17.1 m) long with a longest span of 19 ft (5.8 m) and a deck 18 ft wide.

Who owns Rock Creek RD over Bailey Creek?

It is owned by the County Highway Agency.