US Bridges

Micke Grove RD over Pixley Slough

Fair

San Joaquin County, California · 0.5 MI S Armstrong RD · Structure no. 29C0266

Built
1970
55 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
1,079
2015 count
Owner
County
County Highway Agency

About this bridge

Micke Grove RD over Pixley Slough is a concrete continuous culvert carrying Micke Grove RD over Pixley Slough in San Joaquin County, California. It was built in 1970, so it is 55 years old, older 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 1,079 vehicles a day, roughly 15% of them trucks, projected to reach 875 by 2045. The structure is 26 ft (7.9 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMicke Grove RD
CrossesPixley Slough
Location0.5 MI S Armstrong RD
RouteCounty Highway 0
Coordinates38.07962, -121.26915
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span13 ft (4 m)
Deck width43 ft (13 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,079 (2015)
Projected traffic875 by 2045
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Micke Grove RD over Pixley Slough built?

It was built in 1970, making it 55 years old in 2025.

What condition is Micke Grove RD over Pixley Slough 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 September 2023.

How much traffic does Micke Grove RD over Pixley Slough carry?

About 1,079 vehicles per day (2015 count), of which roughly 15% are trucks.

How long is Micke Grove RD over Pixley Slough?

The structure is 26 ft (7.9 m) long with a longest span of 13 ft (4 m) and a deck 43 ft wide.

Who owns Micke Grove RD over Pixley Slough?

It is owned by the County Highway Agency.