US Bridges

State Route 99 over Highland Avenue

Good

Fresno County, California · 06-FRE-099-6.41-SEL · Structure no. 42 0199

Built
1962
63 years old, rebuilt 2007
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
240 ft
4 main spans
Daily traffic
57,000
2009 count
Owner
State
State Highway Agency

About this bridge

State Route 99 over Highland Avenue is a concrete continuous box beam or girders - multiple carrying State Route 99 over Highland Avenue in Fresno County, California. It was built in 1962 and reconstructed in 2007, so it is 63 years old, older than the California average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 57,000 vehicles a day, roughly 24% of them trucks, projected to reach 95,738 by 2043. The structure is 240 ft (73.3 m) long and 125 ft wide.

CarriesState Route 99
CrossesHighland Avenue
Location06-FRE-099-6.41-SEL
RouteState Highway 99
Coordinates36.57576, -119.6284
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length240 ft (73.3 m)
Longest span72 ft (21.8 m)
Deck width125 ft (38 m)
Roadway width120 ft (36.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,000 (2009)
Projected traffic95,738 by 2043
Trucks24%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 over Highland Avenue built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2007.

What condition is State Route 99 over Highland Avenue in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does State Route 99 over Highland Avenue carry?

About 57,000 vehicles per day (2009 count), of which roughly 24% are trucks.

How long is State Route 99 over Highland Avenue?

The structure is 240 ft (73.3 m) long with a longest span of 72 ft (21.8 m) and a deck 125 ft wide.

Who owns State Route 99 over Highland Avenue?

It is owned by the State Highway Agency.