US Bridges

I-805 Dar On/Off over BNSF & Soledad Cyn Crk

Good

San Diego County, California · 11-SD-805-26.80-SD · Structure no. 57 1225

Built
2017
8 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
491 ft
3 main spans
Daily traffic
5,000
2020 count
Owner
State
State Highway Agency

About this bridge

I-805 Dar On/Off over BNSF & Soledad Cyn Crk is a prestressed concrete continuous box beam or girders - multiple carrying I-805 Dar On/Off over BNSF & Soledad Cyn Crk in San Diego County, California. It was built in 2017, so it is 8 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 5,000 vehicles a day, roughly 1% of them trucks, projected to reach 7,500 by 2042. The structure is 491 ft (149.6 m) long and 43 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-805 Dar On/Off
CrossesBNSF & Soledad Cyn Crk
Location11-SD-805-26.80-SD
RouteInterstate 805
CountySan Diego County
StateCalifornia
Coordinates32.88698, -117.20317
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length491 ft (149.6 m)
Longest span181 ft (55.1 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2020)
Projected traffic7,500 by 2042
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed1.9 mi (3 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 I-805 Dar On/Off over BNSF & Soledad Cyn Crk built?

It was built in 2017, making it 8 years old in 2025.

What condition is I-805 Dar On/Off over BNSF & Soledad Cyn Crk 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 October 2024.

How much traffic does I-805 Dar On/Off over BNSF & Soledad Cyn Crk carry?

About 5,000 vehicles per day (2020 count), of which roughly 1% are trucks.

How long is I-805 Dar On/Off over BNSF & Soledad Cyn Crk?

The structure is 491 ft (149.6 m) long with a longest span of 181 ft (55.1 m) and a deck 43 ft wide.

Who owns I-805 Dar On/Off over BNSF & Soledad Cyn Crk?

It is owned by the State Highway Agency.