US Bridges

Steel Bridge Road over South Cow Creek

Fair

Shasta County, California · 0.9 MI SE of Bateman Rd. · Structure no. 06F0027

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
10
2014 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Steel Bridge Road over South Cow Creek is a steel stringer/multi-beam or girder carrying Steel Bridge Road over South Cow Creek in Shasta County, California. It was built in 1980, so it is 45 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 6 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 20 by 2045. The structure is 31 ft (9.4 m) long and 27 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSteel Bridge Road
CrossesSouth Cow Creek
Location0.9 MI SE of Bateman Rd.
RouteState Lands Road 0
Coordinates40.6238, -121.7088
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating70.8 US tons
Inventory rating42.5 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2014)
Projected traffic20 by 2045
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Steel Bridge Road over South Cow Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Steel Bridge Road over South Cow 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 Steel Bridge Road over South Cow Creek carry?

About 10 vehicles per day (2014 count), of which roughly 30% are trucks.

How long is Steel Bridge Road over South Cow Creek?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns Steel Bridge Road over South Cow Creek?

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