US Bridges

State Route 44 over Stillwater Creek

Fair

Shasta County, California · 02-SHA-044-R4.31 · Structure no. 06 0150

Built
1964
61 years old
Condition
Fair
inspected May 2024
Type
Tee Beam
Concrete Continuous
Length
178 ft
4 main spans
Daily traffic
15,550
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 44 over Stillwater Creek is a concrete continuous tee beam carrying State Route 44 over Stillwater Creek in Shasta County, California. It was built in 1964, so it is 61 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 15,550 vehicles a day, projected to reach 21,188 by 2041. The structure is 178 ft (54.3 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesState Route 44
CrossesStillwater Creek
Location02-SHA-044-R4.31
RouteState Highway 44
CountyShasta County
StateCalifornia
Coordinates40.5583, -122.28866
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span44 ft (13.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,550 (2009)
Projected traffic21,188 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 State Route 44 over Stillwater Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is State Route 44 over Stillwater 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 May 2024.

How much traffic does State Route 44 over Stillwater Creek carry?

About 15,550 vehicles per day (2009 count).

How long is State Route 44 over Stillwater Creek?

The structure is 178 ft (54.3 m) long with a longest span of 44 ft (13.4 m) and a deck 43 ft wide.

Who owns State Route 44 over Stillwater Creek?

It is owned by the State Highway Agency.