US Bridges

Avenue 9 over Future High Speed Rail

Good

Madera County, California · 0.7 MI E. of State RTE 99 · Structure no. 41C0225

Built
2023
2 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
177 ft
1 main span
Daily traffic
800
2024 count
Owner
County
County Highway Agency

About this bridge

Avenue 9 over Future High Speed Rail is a prestressed concrete stringer/multi-beam or girder carrying Avenue 9 over Future High Speed Rail in Madera County, California. It was built in 2023, so it is 2 years old, younger 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 800 vehicles a day, roughly 32% of them trucks, projected to reach 1,400 by 2044. The structure is 177 ft (53.9 m) long and 67 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesAvenue 9
CrossesFuture High Speed Rail
Location0.7 MI E. of State RTE 99
RouteCounty Highway 0
Coordinates36.88013, -119.96558
Functional classRural 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 inspectionJanuary 2024
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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length177 ft (53.9 m)
Longest span169 ft (51.5 m)
Deck width67 ft (20.4 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2024)
Projected traffic1,400 by 2044
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed9.9 mi (16 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 Avenue 9 over Future High Speed Rail built?

It was built in 2023, making it 2 years old in 2025.

What condition is Avenue 9 over Future High Speed Rail 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 January 2024.

How much traffic does Avenue 9 over Future High Speed Rail carry?

About 800 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is Avenue 9 over Future High Speed Rail?

The structure is 177 ft (53.9 m) long with a longest span of 169 ft (51.5 m) and a deck 67 ft wide.

Who owns Avenue 9 over Future High Speed Rail?

It is owned by the County Highway Agency.