US Bridges

State Route 99 NB over SR 198 WB W198-S99 Conn

Fair

Tulare County, California · 06-TUL-099-R38.96 · Structure no. 46 0229R

Built
1977
48 years old, rebuilt 2016
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
206 ft
2 main spans
Daily traffic
52,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 99 NB over SR 198 WB W198-S99 Conn is a prestressed concrete continuous box beam or girders - multiple carrying State Route 99 NB over SR 198 WB W198-S99 Conn in Tulare County, California. It was built in 1977 and reconstructed in 2016, so it is 48 years old, younger 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 52,000 vehicles a day, roughly 35% of them trucks, projected to reach 57,431 by 2042. The structure is 206 ft (62.8 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesState Route 99 NB
CrossesSR 198 WB W198-S99 Conn
Location06-TUL-099-R38.96
RouteState Highway 99
Coordinates36.32883, -119.40869
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length206 ft (62.8 m)
Longest span123 ft (37.5 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic52,000 (2009)
Projected traffic57,431 by 2042
Trucks35%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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 State Route 99 NB over SR 198 WB W198-S99 Conn built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2016.

What condition is State Route 99 NB over SR 198 WB W198-S99 Conn 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 June 2024.

How much traffic does State Route 99 NB over SR 198 WB W198-S99 Conn carry?

About 52,000 vehicles per day (2009 count), of which roughly 35% are trucks.

How long is State Route 99 NB over SR 198 WB W198-S99 Conn?

The structure is 206 ft (62.8 m) long with a longest span of 123 ft (37.5 m) and a deck 59 ft wide.

Who owns State Route 99 NB over SR 198 WB W198-S99 Conn?

It is owned by the State Highway Agency.