US Bridges

Olive Ave over Fairfield Canal

Fair

Merced County, California · 1.0 MI W Arboleda DR · Structure no. 39C0182

Built
1974
51 years old
Condition
Fair
inspected January 2025
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
1,945
2018 count
Owner
County
County Highway Agency

About this bridge

Olive Ave over Fairfield Canal is a concrete continuous slab carrying Olive Ave over Fairfield Canal in Merced County, California. It was built in 1974, so it is 51 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 1,945 vehicles a day, roughly 9% of them trucks, projected to reach 2,040 by 2047. The structure is 81 ft (24.7 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOlive Ave
CrossesFairfield Canal
Location1.0 MI W Arboleda DR
RouteCounty Highway 0
Coordinates37.31786, -120.39676
Functional classRural 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
Deck7 GoodSome minor problems.
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 inspectionJanuary 2025
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.4 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span27 ft (8.1 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,945 (2018)
Projected traffic2,040 by 2047
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Olive Ave over Fairfield Canal built?

It was built in 1974, making it 51 years old in 2025.

What condition is Olive Ave over Fairfield 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 2025.

How much traffic does Olive Ave over Fairfield Canal carry?

About 1,945 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is Olive Ave over Fairfield Canal?

The structure is 81 ft (24.7 m) long with a longest span of 27 ft (8.1 m) and a deck 33 ft wide.

Who owns Olive Ave over Fairfield Canal?

It is owned by the County Highway Agency.