US Bridges

E American Ave over Fowler Switch Canal

Fair

Fresno County, California · At (jeo) Highland Ave · Structure no. 42C0178

Built
1921
104 years old, rebuilt 1951
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
52 ft
3 main spans
Daily traffic
1,800
2006 count
Owner
County
County Highway Agency

About this bridge

E American Ave over Fowler Switch Canal is a concrete continuous slab carrying E American Ave over Fowler Switch Canal in Fresno County, California. It was built in 1921 and reconstructed in 1951, so it is 104 years old, older 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 1,800 vehicles a day, roughly 10% of them trucks, projected to reach 2,669 by 2042. The structure is 52 ft (15.9 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE American Ave
CrossesFowler Switch Canal
LocationAt (jeo) Highland Ave
RouteCounty Highway 0
Coordinates36.66334, -119.62809
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length52 ft (15.9 m)
Longest span17 ft (5.2 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2006)
Projected traffic2,669 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 E American Ave over Fowler Switch Canal built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 1951.

What condition is E American Ave over Fowler Switch Canal 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 January 2024.

How much traffic does E American Ave over Fowler Switch Canal carry?

About 1,800 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is E American Ave over Fowler Switch Canal?

The structure is 52 ft (15.9 m) long with a longest span of 17 ft (5.2 m) and a deck 36 ft wide.

Who owns E American Ave over Fowler Switch Canal?

It is owned by the County Highway Agency.