US Bridges

Canal DR over State Route 99

Fair

Stanislaus County, California · 10-STA-099-R4.01-TUR · Structure no. 38 0148

Built
1973
52 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
223 ft
2 main spans
Daily traffic
4,200
2011 count
Owner
State
State Highway Agency

About this bridge

Canal DR over State Route 99 is a prestressed concrete continuous box beam or girders - multiple carrying Canal DR over State Route 99 in Stanislaus County, California. It was built in 1973, so it is 52 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 6 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 4,200 vehicles a day, roughly 1% of them trucks, projected to reach 8,367 by 2041. The structure is 223 ft (68 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCanal DR
CrossesState Route 99
Location10-STA-099-R4.01-TUR
RouteCity Street 0
Coordinates37.50001, -120.87434
Functional classUrban 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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length223 ft (68 m)
Longest span115 ft (35 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,200 (2011)
Projected traffic8,367 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Canal DR over State Route 99 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Canal DR over State Route 99 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 March 2023.

How much traffic does Canal DR over State Route 99 carry?

About 4,200 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Canal DR over State Route 99?

The structure is 223 ft (68 m) long with a longest span of 115 ft (35 m) and a deck 42 ft wide.

Who owns Canal DR over State Route 99?

It is owned by the State Highway Agency.