US Bridges

Old HWY 44 DR over Cow Creek

Good

Shasta County, California · 0.5 MI N of SR 44 · Structure no. 06C0101

Built
1955
70 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
248 ft
5 main spans
Daily traffic
2,178
2012 count
Owner
County
County Highway Agency

About this bridge

Old HWY 44 DR over Cow Creek is a steel stringer/multi-beam or girder carrying Old HWY 44 DR over Cow Creek in Shasta County, California. It was built in 1955, so it is 70 years old, older 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 2,178 vehicles a day, roughly 10% of them trucks, projected to reach 3,281 by 2043. The structure is 248 ft (75.6 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesOld HWY 44 DR
CrossesCow Creek
Location0.5 MI N of SR 44
RouteCounty Highway 0
Coordinates40.54511, -122.17536
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.6 US tons
Inventory rating53.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length248 ft (75.6 m)
Longest span49 ft (15 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,178 (2012)
Projected traffic3,281 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Old HWY 44 DR over Cow Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Old HWY 44 DR over Cow 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 June 2023.

How much traffic does Old HWY 44 DR over Cow Creek carry?

About 2,178 vehicles per day (2012 count), of which roughly 10% are trucks.

How long is Old HWY 44 DR over Cow Creek?

The structure is 248 ft (75.6 m) long with a longest span of 49 ft (15 m) and a deck 31 ft wide.

Who owns Old HWY 44 DR over Cow Creek?

It is owned by the County Highway Agency.