US Bridges

Hogan Dam RD over Bear Creek

Good

Calaveras County, California · 7 MI S/O Silver Rapids RD · Structure no. 30C0094

Built
2020
5 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
83 ft
1 main span
Daily traffic
300
2024 count
Owner
County
County Highway Agency

About this bridge

Hogan Dam RD over Bear Creek is a prestressed concrete stringer/multi-beam or girder carrying Hogan Dam RD over Bear Creek in Calaveras County, California. It was built in 2020, so it is 5 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2044. The structure is 83 ft (25.3 m) long and 25 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesHogan Dam RD
CrossesBear Creek
Location7 MI S/O Silver Rapids RD
RouteCounty Highway 0
Coordinates38.09378, -120.75972
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
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

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length83 ft (25.3 m)
Longest span78 ft (23.7 m)
Deck width25 ft (7.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic400 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed29.8 mi (48 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 Hogan Dam RD over Bear Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Hogan Dam RD over Bear 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 February 2025.

How much traffic does Hogan Dam RD over Bear Creek carry?

About 300 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Hogan Dam RD over Bear Creek?

The structure is 83 ft (25.3 m) long with a longest span of 78 ft (23.7 m) and a deck 25 ft wide.

Who owns Hogan Dam RD over Bear Creek?

It is owned by the County Highway Agency.