US Bridges

Route 125 over Otay River

Good

San Diego County, California · 11-SD-125-L2.40 · Structure no. 57 1186

Built
2007
18 years old
Condition
Good
inspected May 2024
Type
Segmental Box Girder
Prestressed Concrete
Length
3,320 ft
12 main spans
Daily traffic
11,100
2022 count
Owner
State
State Highway Agency

About this bridge

Route 125 over Otay River is a prestressed concrete segmental box girder carrying Route 125 over Otay River in San Diego County, California. It was built in 2007, so it is 18 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 11,100 vehicles a day, roughly 1% of them trucks, projected to reach 12,000 by 2041. The structure is 3,320 ft (1,012 m) long and 76 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRoute 125
CrossesOtay River
Location11-SD-125-L2.40
RouteState Highway 125
Coordinates32.58661, -116.96547
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 protection9 ExcellentNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20
Structure length3,320 ft (1,012 m)
Longest span297 ft (90.5 m)
Deck width76 ft (23.1 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,100 (2022)
Projected traffic12,000 by 2041
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.1 mi (5 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 125 over Otay River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Route 125 over Otay River 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 May 2024.

How much traffic does Route 125 over Otay River carry?

About 11,100 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route 125 over Otay River?

The structure is 3,320 ft (1,012 m) long with a longest span of 297 ft (90.5 m) and a deck 76 ft wide.

Who owns Route 125 over Otay River?

It is owned by the State Highway Agency.