US Bridges

SR 241 NB over Santiago Creek

Good

Orange County, California · 12-ORA-241-33.70-RSM · Structure no. 55 0823R

Built
1998
27 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
1,270 ft
6 main spans
Daily traffic
20,500
2014 count
Owner
State
State Highway Agency

About this bridge

SR 241 NB over Santiago Creek is a prestressed concrete continuous box beam or girders - multiple carrying SR 241 NB over Santiago Creek in Orange County, California. It was built in 1998, so it is 27 years old, younger than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20,500 vehicles a day, roughly 2% of them trucks, projected to reach 27,996 by 2047. The structure is 1,270 ft (387.1 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSR 241 NB
CrossesSantiago Creek
Location12-ORA-241-33.70-RSM
RouteState Highway 241
CountyOrange County
StateCalifornia
Coordinates33.79376, -117.73299
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length1,270 ft (387.1 m)
Longest span230 ft (70.1 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2014)
Projected traffic27,996 by 2047
Trucks2%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 241 NB over Santiago Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is SR 241 NB over Santiago Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does SR 241 NB over Santiago Creek carry?

About 20,500 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is SR 241 NB over Santiago Creek?

The structure is 1,270 ft (387.1 m) long with a longest span of 230 ft (70.1 m) and a deck 59 ft wide.

Who owns SR 241 NB over Santiago Creek?

It is owned by the State Highway Agency.