US Bridges

Bonita Glen Terrac over Sweetwater Riv Tributary

Fair

San Diego County, California · 500FT S/O Central Ave · Structure no. 57C0380

Built
1972
53 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
1,700
2016 count
Owner
County
County Highway Agency

About this bridge

Bonita Glen Terrac over Sweetwater Riv Tributary is a prestressed concrete box beam or girders - multiple carrying Bonita Glen Terrac over Sweetwater Riv Tributary in San Diego County, California. It was built in 1972, so it is 53 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 1,700 vehicles a day, roughly 2% of them trucks, projected to reach 2,137 by 2045. The structure is 43 ft (13.1 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBonita Glen Terrac
CrossesSweetwater Riv Tributary
Location500FT S/O Central Ave
RouteCounty Highway 0
CountySan Diego County
StateCalifornia
Coordinates32.6674, -117.02177
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating20.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span41 ft (12.5 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2016)
Projected traffic2,137 by 2045
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Bonita Glen Terrac over Sweetwater Riv Tributary built?

It was built in 1972, making it 53 years old in 2025.

What condition is Bonita Glen Terrac over Sweetwater Riv Tributary 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 November 2024.

How much traffic does Bonita Glen Terrac over Sweetwater Riv Tributary carry?

About 1,700 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Bonita Glen Terrac over Sweetwater Riv Tributary?

The structure is 43 ft (13.1 m) long with a longest span of 41 ft (12.5 m) and a deck 52 ft wide.

Who owns Bonita Glen Terrac over Sweetwater Riv Tributary?

It is owned by the County Highway Agency.