US Bridges

Conard Loop RD over South Fork Battle Creek

Fair

Tehama County, California · 0.3 MI E of SH 36 · Structure no. 08C0327

Built
1970
55 years old
Condition
Fair
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
27 ft
1 main span
Daily traffic
50
2010 count
Owner
County
County Highway Agency

About this bridge

Conard Loop RD over South Fork Battle Creek is a steel girder and floorbeam system carrying Conard Loop RD over South Fork Battle Creek in Tehama County, California. It was built in 1970, so it is 55 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 50 vehicles a day, projected to reach 77 by 2041. The structure is 27 ft (8.2 m) long and 10 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesConard Loop RD
CrossesSouth Fork Battle Creek
Location0.3 MI E of SH 36
RouteCounty Highway 0
Coordinates40.35529, -121.57072
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.
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 inspectionAugust 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

MaterialSteel
DeckClosed grating
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width10 ft (3 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2010)
Projected traffic77 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Conard Loop RD over South Fork Battle Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Conard Loop RD over South Fork Battle 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 Conard Loop RD over South Fork Battle Creek carry?

About 50 vehicles per day (2010 count).

How long is Conard Loop RD over South Fork Battle Creek?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 10 ft wide.

Who owns Conard Loop RD over South Fork Battle Creek?

It is owned by the County Highway Agency.