US Bridges

Ashlan Ave over State Route 99

Good

Fresno County, California · 06-FRE-099-26.55-FRE · Structure no. 42 0140

Built
1959
66 years old, rebuilt 1993
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
368 ft
4 main spans
Daily traffic
17,842
2020 count
Owner
State
State Highway Agency

About this bridge

Ashlan Ave over State Route 99 is a concrete continuous box beam or girders - multiple carrying Ashlan Ave over State Route 99 in Fresno County, California. It was built in 1959 and reconstructed in 1993, so it is 66 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 17,842 vehicles a day, roughly 8% of them trucks, projected to reach 26,367 by 2040. The structure is 368 ft (112.3 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesAshlan Ave
CrossesState Route 99
Location06-FRE-099-26.55-FRE
RouteCounty Highway 0F357
Coordinates36.79351, -119.86591
Functional classUrban Minor Arterial

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 inspectionNovember 2023
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

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length368 ft (112.3 m)
Longest span122 ft (37.1 m)
Deck width88 ft (26.8 m)
Roadway width75 ft (22.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,842 (2020)
Projected traffic26,367 by 2040
Trucks8%
Lanes on structure5
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 Ashlan Ave over State Route 99 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1993.

What condition is Ashlan Ave over State Route 99 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 November 2023.

How much traffic does Ashlan Ave over State Route 99 carry?

About 17,842 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Ashlan Ave over State Route 99?

The structure is 368 ft (112.3 m) long with a longest span of 122 ft (37.1 m) and a deck 88 ft wide.

Who owns Ashlan Ave over State Route 99?

It is owned by the State Highway Agency.