US Bridges

West Yosemite Ave over SR 99

Good

Madera County, California · 06-MAD-099-10.84-MAD · Structure no. 41 0049

Built
1958
67 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
181 ft
2 main spans
Daily traffic
11,100
2011 count
Owner
State
State Highway Agency

About this bridge

West Yosemite Ave over SR 99 is a concrete continuous box beam or girders - multiple carrying West Yosemite Ave over SR 99 in Madera County, California. It was built in 1958, so it is 67 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,100 vehicles a day, roughly 5% of them trucks, projected to reach 22,583 by 2041. The structure is 181 ft (55.2 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWest Yosemite Ave
CrossesSR 99
Location06-MAD-099-10.84-MAD
RouteCity Street 0Z769
Coordinates36.95942, -120.06305
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+4 approach)
Design loadHS 20
Structure length181 ft (55.2 m)
Longest span68 ft (20.7 m)
Deck width78 ft (23.7 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,100 (2011)
Projected traffic22,583 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was West Yosemite Ave over SR 99 built?

It was built in 1958, making it 67 years old in 2025.

What condition is West Yosemite Ave over SR 99 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does West Yosemite Ave over SR 99 carry?

About 11,100 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is West Yosemite Ave over SR 99?

The structure is 181 ft (55.2 m) long with a longest span of 68 ft (20.7 m) and a deck 78 ft wide.

Who owns West Yosemite Ave over SR 99?

It is owned by the State Highway Agency.