US Bridges

Lawrence RD over West Branch Churn Creek

Good

Shasta County, California · Just South of Hartnell Av · Structure no. 06C0140

Built
1960
65 years old, rebuilt 1974
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
46 ft
3 main spans
Daily traffic
1,855
2012 count
Owner
City
City or Municipal Highway Agency

About this bridge

Lawrence RD over West Branch Churn Creek is a concrete continuous slab carrying Lawrence RD over West Branch Churn Creek in Shasta County, California. It was built in 1960 and reconstructed in 1974, so it is 65 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 1,855 vehicles a day, roughly 1% of them trucks, projected to reach 2,405 by 2043. The structure is 46 ft (14 m) long and 39 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLawrence RD
CrossesWest Branch Churn Creek
LocationJust South of Hartnell Av
RouteCity Street 0
Coordinates40.56354, -122.34827
Functional classUrban Local

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length46 ft (14 m)
Longest span15 ft (4.6 m)
Deck width39 ft (11.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,855 (2012)
Projected traffic2,405 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Lawrence RD over West Branch Churn Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1974.

What condition is Lawrence RD over West Branch Churn 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 May 2023.

How much traffic does Lawrence RD over West Branch Churn Creek carry?

About 1,855 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Lawrence RD over West Branch Churn Creek?

The structure is 46 ft (14 m) long with a longest span of 15 ft (4.6 m) and a deck 39 ft wide.

Who owns Lawrence RD over West Branch Churn Creek?

It is owned by the City or Municipal Highway Agency.