US Bridges

N805-E54 Connector over Sweetwater River

Fair

San Diego County, California · 11-SD-805-8.65 · Structure no. 57 0638G

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
450 ft
5 main spans
Daily traffic
11,000
2020 count
Owner
State
State Highway Agency

About this bridge

N805-E54 Connector over Sweetwater River is a concrete continuous box beam or girders - multiple carrying N805-E54 Connector over Sweetwater River in San Diego County, California. It was built in 1975, so it is 50 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 11,000 vehicles a day, roughly 5% of them trucks, projected to reach 26,018 by 2042. The structure is 450 ft (137.2 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesN805-E54 Connector
CrossesSweetwater River
Location11-SD-805-8.65
RouteInterstate 805
CountySan Diego County
StateCalifornia
Coordinates32.65626, -117.07177
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating55.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length450 ft (137.2 m)
Longest span96 ft (29.3 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2020)
Projected traffic26,018 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was N805-E54 Connector over Sweetwater River built?

It was built in 1975, making it 50 years old in 2025.

What condition is N805-E54 Connector over Sweetwater River 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 June 2024.

How much traffic does N805-E54 Connector over Sweetwater River carry?

About 11,000 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is N805-E54 Connector over Sweetwater River?

The structure is 450 ft (137.2 m) long with a longest span of 96 ft (29.3 m) and a deck 42 ft wide.

Who owns N805-E54 Connector over Sweetwater River?

It is owned by the State Highway Agency.