US Bridges

Road 202 over Porter Slough

Fair

Tulare County, California · 0.13 MI S of Ave 176 · Structure no. 46C0291

Built
1953
72 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete Continuous
Length
46 ft
3 main spans
Daily traffic
50
1978 count
Owner
County
County Highway Agency

About this bridge

Road 202 over Porter Slough is a concrete continuous slab carrying Road 202 over Porter Slough in Tulare County, California. It was built in 1953, so it is 72 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 5 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 50 vehicles a day, projected to reach 113 by 2047. The structure is 46 ft (14 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRoad 202
CrossesPorter Slough
Location0.13 MI S of Ave 176
RouteCounty Highway 0
CountyTulare County
StateCalifornia
Coordinates36.10832, -119.1208
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length46 ft (14 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1978)
Projected traffic113 by 2047
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Road 202 over Porter Slough built?

It was built in 1953, making it 72 years old in 2025.

What condition is Road 202 over Porter 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 February 2025.

How much traffic does Road 202 over Porter Slough carry?

About 50 vehicles per day (1978 count).

How long is Road 202 over Porter Slough?

The structure is 46 ft (14 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Road 202 over Porter Slough?

It is owned by the County Highway Agency.