US Bridges

Forward RD over Digger Creek

Fair

Tehama County, California · 0.3 MI Upstream 8C-190 · Structure no. 08C0326

Built
1950
75 years old, rebuilt 1975
Condition
Fair
inspected August 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
50
2014 count
Owner
County
County Highway Agency

About this bridge

Forward RD over Digger Creek is a concrete slab carrying Forward RD over Digger Creek in Tehama County, California. It was built in 1950 and reconstructed in 1975, so it is 75 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 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 50 vehicles a day, roughly 5% of them trucks, projected to reach 88 by 2041. The structure is 28 ft (8.5 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesForward RD
CrossesDigger Creek
Location0.3 MI Upstream 8C-190
RouteCounty Highway 0
CountyTehama County
StateCalifornia
Coordinates40.43779, -121.73028
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span27 ft (8.2 m)
Deck width15 ft (4.7 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2014)
Projected traffic88 by 2041
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Forward RD over Digger Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1975.

What condition is Forward RD over Digger 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 August 2023.

How much traffic does Forward RD over Digger Creek carry?

About 50 vehicles per day (2014 count), of which roughly 5% are trucks.

How long is Forward RD over Digger Creek?

The structure is 28 ft (8.5 m) long with a longest span of 27 ft (8.2 m) and a deck 15 ft wide.

Who owns Forward RD over Digger Creek?

It is owned by the County Highway Agency.