US Bridges

State Route 59 over Escaladian Canal

Good

Merced County, California · 10-MER-059-25.45 · Structure no. 39 0109

Built
1989
36 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
1,425
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 59 over Escaladian Canal is a concrete continuous slab carrying State Route 59 over Escaladian Canal in Merced County, California. It was built in 1989, so it is 36 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 1,425 vehicles a day, roughly 13% of them trucks, projected to reach 2,664 by 2046. The structure is 42 ft (12.8 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesState Route 59
CrossesEscaladian Canal
Location10-MER-059-25.45
RouteState Highway 59
Coordinates37.44832, -120.5032
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionMay 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 adequacy7: Better than present minimum 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 spans2
Design loadHS 20 + Mod
Structure length42 ft (12.8 m)
Longest span21 ft (6.4 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,425 (2009)
Projected traffic2,664 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

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 59 over Escaladian Canal built?

It was built in 1989, making it 36 years old in 2025.

What condition is State Route 59 over Escaladian Canal 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 May 2024.

How much traffic does State Route 59 over Escaladian Canal carry?

About 1,425 vehicles per day (2009 count), of which roughly 13% are trucks.

How long is State Route 59 over Escaladian Canal?

The structure is 42 ft (12.8 m) long with a longest span of 21 ft (6.4 m) and a deck 44 ft wide.

Who owns State Route 59 over Escaladian Canal?

It is owned by the State Highway Agency.