US Bridges

Ave 48 (armstrong) over State Route 99

Fair

Tulare County, California · 06-TUL-099-6.15 · Structure no. 46 0165

Built
1955
70 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
230 ft
2 main spans
Daily traffic
3,400
1998 count
Owner
State
State Highway Agency

About this bridge

Ave 48 (armstrong) over State Route 99 is a concrete continuous box beam or girders - multiple carrying Ave 48 (armstrong) over State Route 99 in Tulare County, California. It was built in 1955, so it is 70 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 3,400 vehicles a day, roughly 5% of them trucks, projected to reach 1,664 by 2046. The structure is 230 ft (70.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAve 48 (armstrong)
CrossesState Route 99
Location06-TUL-099-6.15
RouteCounty Highway 0
CountyTulare County
StateCalifornia
Coordinates35.87737, -119.27092
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating34.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length230 ft (70.1 m)
Longest span82 ft (25 m)
Deck width35 ft (10.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (1998)
Projected traffic1,664 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Ave 48 (armstrong) over State Route 99 built?

It was built in 1955, making it 70 years old in 2025.

What condition is Ave 48 (armstrong) over State Route 99 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 August 2024.

How much traffic does Ave 48 (armstrong) over State Route 99 carry?

About 3,400 vehicles per day (1998 count), of which roughly 5% are trucks.

How long is Ave 48 (armstrong) over State Route 99?

The structure is 230 ft (70.1 m) long with a longest span of 82 ft (25 m) and a deck 35 ft wide.

Who owns Ave 48 (armstrong) over State Route 99?

It is owned by the State Highway Agency.