US Bridges

Road Ss over Ortiz Drain

Fair

Glenn County, California · 0.8 MI S of RD #61 · Structure no. 11C0219

Built
1950
75 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
13
2011 count
Owner
County
County Highway Agency

About this bridge

Road Ss over Ortiz Drain is a steel stringer/multi-beam or girder carrying Road Ss over Ortiz Drain in Glenn County, California. It was built in 1950, so it is 75 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 13 vehicles a day, projected to reach 19 by 2042. The structure is 22 ft (6.7 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesRoad Ss
CrossesOrtiz Drain
Location0.8 MI S of RD #61
RouteCounty Highway 0
Coordinates39.45094, -122.09778
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84.3 US tons
Inventory rating50.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span22 ft (6.7 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2011)
Projected traffic19 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Road Ss over Ortiz Drain built?

It was built in 1950, making it 75 years old in 2025.

What condition is Road Ss over Ortiz Drain 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 February 2024.

How much traffic does Road Ss over Ortiz Drain carry?

About 13 vehicles per day (2011 count).

How long is Road Ss over Ortiz Drain?

The structure is 22 ft (6.7 m) long with a longest span of 22 ft (6.7 m) and a deck 20 ft wide.

Who owns Road Ss over Ortiz Drain?

It is owned by the County Highway Agency.