US Bridges

State Route 152 EB over Ash Slough

Good

Madera County, California · 06-MAD-152-7.31 · Structure no. 41 0011R

Built
2000
25 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
507 ft
12 main spans
Daily traffic
15,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 152 EB over Ash Slough is a concrete continuous slab carrying State Route 152 EB over Ash Slough in Madera County, California. It was built in 2000, so it is 25 years old, younger 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 15,000 vehicles a day, roughly 20% of them trucks, projected to reach 17,042 by 2041. The structure is 507 ft (154.4 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesState Route 152 EB
CrossesAsh Slough
Location06-MAD-152-7.31
RouteState Highway 152
Coordinates37.08319, -120.36096
Functional classRural Principal Arterial - Other

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans12
Design loadHS 20 + Mod
Structure length507 ft (154.4 m)
Longest span44 ft (13.3 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,000 (2009)
Projected traffic17,042 by 2041
Trucks20%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was State Route 152 EB over Ash Slough built?

It was built in 2000, making it 25 years old in 2025.

What condition is State Route 152 EB over Ash Slough 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 November 2024.

How much traffic does State Route 152 EB over Ash Slough carry?

About 15,000 vehicles per day (2009 count), of which roughly 20% are trucks.

How long is State Route 152 EB over Ash Slough?

The structure is 507 ft (154.4 m) long with a longest span of 44 ft (13.3 m) and a deck 42 ft wide.

Who owns State Route 152 EB over Ash Slough?

It is owned by the State Highway Agency.