US Bridges

S605-KATELLA Off R over Katella Ave

Fair

Orange County, California · 12-ORA-605-R1.41-LALM · Structure no. 55 0405K

Built
1966
59 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
221 ft
4 main spans
Daily traffic
12,200
2015 count
Owner
State
State Highway Agency

About this bridge

S605-KATELLA Off R over Katella Ave is a concrete continuous box beam or girders - multiple carrying S605-KATELLA Off R over Katella Ave in Orange County, California. It was built in 1966, so it is 59 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 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 12,200 vehicles a day, roughly 3% of them trucks, projected to reach 14,391 by 2041. The structure is 221 ft (67.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS605-KATELLA Off R
CrossesKatella Ave
Location12-ORA-605-R1.41-LALM
RouteInterstate 605
Coordinates33.80284, -118.08217
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span74 ft (22.6 m)
Deck width34 ft (10.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,200 (2015)
Projected traffic14,391 by 2041
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S605-KATELLA Off R over Katella Ave built?

It was built in 1966, making it 59 years old in 2025.

What condition is S605-KATELLA Off R over Katella Ave 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 S605-KATELLA Off R over Katella Ave carry?

About 12,200 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is S605-KATELLA Off R over Katella Ave?

The structure is 221 ft (67.4 m) long with a longest span of 74 ft (22.6 m) and a deck 34 ft wide.

Who owns S605-KATELLA Off R over Katella Ave?

It is owned by the State Highway Agency.