US Bridges

Crows Landing Road over State Route 99 & Ramp

Good

Stanislaus County, California · 10-STA-099-R14.47-TUR · Structure no. 38 0077

Built
1963
62 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
298 ft
3 main spans
Daily traffic
25,600
2011 count
Owner
State
State Highway Agency

About this bridge

Crows Landing Road over State Route 99 & Ramp is a concrete continuous box beam or girders - multiple carrying Crows Landing Road over State Route 99 & Ramp in Stanislaus County, California. It was built in 1963, so it is 62 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 25,600 vehicles a day, roughly 3% of them trucks, projected to reach 49,215 by 2041. The structure is 298 ft (90.8 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCrows Landing Road
CrossesState Route 99 & Ramp
Location10-STA-099-R14.47-TUR
RouteCounty Highway 0
Coordinates37.61835, -120.99349
Functional classUrban Minor 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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating37.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length298 ft (90.8 m)
Longest span125 ft (38.1 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,600 (2011)
Projected traffic49,215 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 Crows Landing Road over State Route 99 & Ramp built?

It was built in 1963, making it 62 years old in 2025.

What condition is Crows Landing Road over State Route 99 & Ramp 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 March 2023.

How much traffic does Crows Landing Road over State Route 99 & Ramp carry?

About 25,600 vehicles per day (2011 count), of which roughly 3% are trucks.

How long is Crows Landing Road over State Route 99 & Ramp?

The structure is 298 ft (90.8 m) long with a longest span of 125 ft (38.1 m) and a deck 66 ft wide.

Who owns Crows Landing Road over State Route 99 & Ramp?

It is owned by the State Highway Agency.