US Bridges

Flores Ave over Oat Creek

FairPosted for load

Tehama County, California · 0.6 MI W/O 99W · Structure no. 08C0280

Built
1937
88 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
3 main spans
Daily traffic
980
2006 count
Owner
County
County Highway Agency

About this bridge

Flores Ave over Oat Creek is a steel stringer/multi-beam or girder carrying Flores Ave over Oat Creek in Tehama County, California. It was built in 1937, so it is 88 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. Its operating status is: posted for load restriction.

It carries about 980 vehicles a day, roughly 5% of them trucks, projected to reach 1,536 by 2044. The structure is 62 ft (18.9 m) long and 20 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFlores Ave
CrossesOat Creek
Location0.6 MI W/O 99W
RouteCounty Highway 0
Coordinates40.08177, -122.18301
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.7 US tons
Inventory rating12.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span20 ft (6.1 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (2006)
Projected traffic1,536 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Flores Ave over Oat Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is Flores Ave over Oat 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 February 2024.

How much traffic does Flores Ave over Oat Creek carry?

About 980 vehicles per day (2006 count), of which roughly 5% are trucks.

How long is Flores Ave over Oat Creek?

The structure is 62 ft (18.9 m) long with a longest span of 20 ft (6.1 m) and a deck 20 ft wide.

Who owns Flores Ave over Oat Creek?

It is owned by the County Highway Agency.