US Bridges

Interstate 5 over State Route 261

Fair

Orange County, California · 12-ORA-005-27.53-IRVN · Structure no. 55 0688

Built
1992
33 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
205 ft
2 main spans
Daily traffic
316,400
2016 count
Owner
State
State Highway Agency

About this bridge

Interstate 5 over State Route 261 is a prestressed concrete continuous box beam or girders - multiple carrying Interstate 5 over State Route 261 in Orange County, California. It was built in 1992, so it is 33 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 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 316,400 vehicles a day, projected to reach 317,123 by 2040. The structure is 205 ft (62.5 m) long and 231 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesInterstate 5
CrossesState Route 261
Location12-ORA-005-27.53-IRVN
RouteInterstate 5
Coordinates33.71834, -117.79283
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
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.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length205 ft (62.5 m)
Longest span101 ft (30.8 m)
Deck width231 ft (70.3 m)
Roadway width200 ft (61 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic316,400 (2016)
Projected traffic317,123 by 2040
Trucks0%
Lanes on structure14
Traffic directionTwo-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 Interstate 5 over State Route 261 built?

It was built in 1992, making it 33 years old in 2025.

What condition is Interstate 5 over State Route 261 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 July 2023.

How much traffic does Interstate 5 over State Route 261 carry?

About 316,400 vehicles per day (2016 count).

How long is Interstate 5 over State Route 261?

The structure is 205 ft (62.5 m) long with a longest span of 101 ft (30.8 m) and a deck 231 ft wide.

Who owns Interstate 5 over State Route 261?

It is owned by the State Highway Agency.