US Bridges

RD 284 over Tule River

Poor

Tulare County, California · 0.1 MI N of SR 190 · Structure no. 46C0419

Built
1963
62 years old
Condition
Poor
inspected February 2025
Type
Slab
Concrete Continuous
Length
128 ft
4 main spans
Daily traffic
1,500
1982 count
Owner
County
County Highway Agency

About this bridge

RD 284 over Tule River is a concrete continuous slab carrying RD 284 over Tule River in Tulare 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,500 vehicles a day, roughly 5% of them trucks, projected to reach 2,269 by 2047. The structure is 128 ft (39 m) long and 40 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesRD 284
CrossesTule River
Location0.1 MI N of SR 190
RouteCounty Highway 0
Coordinates36.04853, -118.93741
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, 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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length128 ft (39 m)
Longest span36 ft (11 m)
Deck width40 ft (12.2 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (1982)
Projected traffic2,269 by 2047
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$799,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RD 284 over Tule River built?

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

What condition is RD 284 over Tule River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does RD 284 over Tule River carry?

About 1,500 vehicles per day (1982 count), of which roughly 5% are trucks.

How long is RD 284 over Tule River?

The structure is 128 ft (39 m) long with a longest span of 36 ft (11 m) and a deck 40 ft wide.

Who owns RD 284 over Tule River?

It is owned by the County Highway Agency.