US Bridges

Middle Br RD over Bullhock Creek

Fair

Shasta County, California · Latour State Forest · Structure no. 06F0030

Built
1994
31 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Steel
Length
66 ft
1 main span
Daily traffic
10
2011 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Middle Br RD over Bullhock Creek is a steel box beam or girders - multiple carrying Middle Br RD over Bullhock Creek in Shasta County, California. It was built in 1994, so it is 31 years old, younger 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 10 vehicles a day, roughly 30% of them trucks, projected to reach 36 by 2045. The structure is 66 ft (20.1 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMiddle Br RD
CrossesBullhock Creek
LocationLatour State Forest
RouteState Lands Road 0
CountyShasta County
StateCalifornia
Coordinates40.62992, -121.70221
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating80 US tons
Inventory rating47.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel
DeckSteel plate
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span64 ft (19.5 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2011)
Projected traffic36 by 2045
Trucks30%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 Middle Br RD over Bullhock Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Middle Br RD over Bullhock 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 September 2024.

How much traffic does Middle Br RD over Bullhock Creek carry?

About 10 vehicles per day (2011 count), of which roughly 30% are trucks.

How long is Middle Br RD over Bullhock Creek?

The structure is 66 ft (20.1 m) long with a longest span of 64 ft (19.5 m) and a deck 18 ft wide.

Who owns Middle Br RD over Bullhock Creek?

It is owned by the State Park, Forest, or Reservation Agency.