US Bridges

Big Bend RD over Roaring Creek

Good

Shasta County, California · 5.4 MI N of S.R. 299 · Structure no. 06C0299

Built
1923
102 years old, rebuilt 1978
Condition
Good
inspected April 2023
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
550
2014 count
Owner
County
County Highway Agency

About this bridge

Big Bend RD over Roaring Creek is a concrete tee beam carrying Big Bend RD over Roaring Creek in Shasta County, California. It was built in 1923 and reconstructed in 1978, so it is 102 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 550 vehicles a day, roughly 5% of them trucks, projected to reach 728 by 2041. The structure is 29 ft (8.8 m) long and 29 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

CarriesBig Bend RD
CrossesRoaring Creek
Location5.4 MI N of S.R. 299
RouteCounty Highway 0
Coordinates40.91911, -121.91522
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.9 US tons
Inventory rating17.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span28 ft (8.5 m)
Deck width29 ft (8.9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2014)
Projected traffic728 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Big Bend RD over Roaring Creek built?

It was built in 1923, making it 102 years old in 2025. It was reconstructed in 1978.

What condition is Big Bend RD over Roaring 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 April 2023.

How much traffic does Big Bend RD over Roaring Creek carry?

About 550 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Big Bend RD over Roaring Creek?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.5 m) and a deck 29 ft wide.

Who owns Big Bend RD over Roaring Creek?

It is owned by the County Highway Agency.