US Bridges

Zogg Mine RD over Zogg Creek

Good

Shasta County, California · 4.0 MI N of S Fork RD · Structure no. 06C0374

Built
2007
18 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
31 ft
1 main span
Daily traffic
10
2012 count
Owner
County
County Highway Agency

About this bridge

Zogg Mine RD over Zogg Creek is a concrete slab carrying Zogg Mine RD over Zogg Creek in Shasta County, California. It was built in 2007, so it is 18 years old, younger 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 10 vehicles a day, roughly 5% of them trucks, projected to reach 32 by 2046. The structure is 31 ft (9.3 m) long and 19 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesZogg Mine RD
CrossesZogg Creek
Location4.0 MI N of S Fork RD
RouteCounty Highway 0
Coordinates40.54476, -122.57817
Functional classRural 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.3 m)
Longest span26 ft (7.8 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2012)
Projected traffic32 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-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 Zogg Mine RD over Zogg Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is Zogg Mine RD over Zogg 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 August 2024.

How much traffic does Zogg Mine RD over Zogg Creek carry?

About 10 vehicles per day (2012 count), of which roughly 5% are trucks.

How long is Zogg Mine RD over Zogg Creek?

The structure is 31 ft (9.3 m) long with a longest span of 26 ft (7.8 m) and a deck 19 ft wide.

Who owns Zogg Mine RD over Zogg Creek?

It is owned by the County Highway Agency.