US Bridges

Road 32N12 over Hat Creek

Fair

Shasta County, California · No Data Entered · Structure no. 050653000001017

Built
1956
69 years old, rebuilt 1957
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
30
Owner
Federal
U.S. Forest Service

About this bridge

Road 32N12 over Hat Creek is a steel stringer/multi-beam or girder carrying Road 32N12 over Hat Creek in Shasta County, California. It was built in 1956 and reconstructed in 1957, so it is 69 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 30 vehicles a day, projected to reach 45 by 2045. The structure is 50 ft (15.2 m) long and 12 ft wide.

Location

Open in Google Maps
CarriesRoad 32N12
CrossesHat Creek
LocationNo Data Entered
RouteFederal Lands Road 32N12
CountyShasta County
StateCalifornia
Coordinates40.61397, -121.46798
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating26.5 US tons
Inventory rating20.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width12 ft (3.7 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (—)
Projected traffic45 by 2045
Trucks—
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Road 32N12 over Hat Creek built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1957.

What condition is Road 32N12 over Hat 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 April 2024.

How much traffic does Road 32N12 over Hat Creek carry?

About 30 vehicles per day (latest count).

How long is Road 32N12 over Hat Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 12 ft wide.

Who owns Road 32N12 over Hat Creek?

It is owned by the U.S. Forest Service.