US Bridges

Ingraham ST over Fishermans Channel

Fair

San Diego County, California · 1.1MI N/O W Mission by DR · Structure no. 57C0311

Built
1990
35 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
790 ft
6 main spans
Daily traffic
36,500
2016 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ingraham ST over Fishermans Channel is a prestressed concrete continuous box beam or girders - multiple carrying Ingraham ST over Fishermans Channel in San Diego County, California. It was built in 1990, so it is 35 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 6 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 36,500 vehicles a day, roughly 1% of them trucks, projected to reach 53,977 by 2040. The structure is 790 ft (240.8 m) long and 98 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesIngraham ST
CrossesFishermans Channel
Location1.1MI N/O W Mission by DR
RouteCity Street 0
CountySan Diego County
StateCalifornia
Coordinates32.77762, -117.23558
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length790 ft (240.8 m)
Longest span132 ft (40.2 m)
Deck width98 ft (29.9 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,500 (2016)
Projected traffic53,977 by 2040
Trucks1%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Ingraham ST over Fishermans Channel built?

It was built in 1990, making it 35 years old in 2025.

What condition is Ingraham ST over Fishermans Channel 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 October 2023.

How much traffic does Ingraham ST over Fishermans Channel carry?

About 36,500 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Ingraham ST over Fishermans Channel?

The structure is 790 ft (240.8 m) long with a longest span of 132 ft (40.2 m) and a deck 98 ft wide.

Who owns Ingraham ST over Fishermans Channel?

It is owned by the City or Municipal Highway Agency.