US Bridges

Diagonal Road 92B over UP RR

Fair

Tulare County, California · At SR 99 over SPRR · Structure no. 46C0052

Built
1960
65 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
164 ft
3 main spans
Daily traffic
1,000
1982 count
Owner
County
County Highway Agency

About this bridge

Diagonal Road 92B over UP RR is a prestressed concrete continuous stringer/multi-beam or girder carrying Diagonal Road 92B over UP RR in Tulare County, California. It was built in 1960, so it is 65 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 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,641 by 2042. The structure is 164 ft (49.9 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDiagonal Road 92B
CrossesUP RR
LocationAt SR 99 over SPRR
RouteCounty Highway 0
Coordinates36.26573, -119.36485
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.3 US tons
Inventory rating26.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length164 ft (49.9 m)
Longest span53 ft (16.2 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (1982)
Projected traffic1,641 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Diagonal Road 92B over UP RR built?

It was built in 1960, making it 65 years old in 2025.

What condition is Diagonal Road 92B over UP RR 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 2024.

How much traffic does Diagonal Road 92B over UP RR carry?

About 1,000 vehicles per day (1982 count), of which roughly 5% are trucks.

How long is Diagonal Road 92B over UP RR?

The structure is 164 ft (49.9 m) long with a longest span of 53 ft (16.2 m) and a deck 40 ft wide.

Who owns Diagonal Road 92B over UP RR?

It is owned by the County Highway Agency.