US Bridges

Avenue 8 over Future High Speed Train

Good

Madera County, California · 0.7 M West of Road 33 · Structure no. 41C0219

Built
2019
6 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
113 ft
1 main span
Daily traffic
1,000
2019 count
Owner
State
Other State Agency

About this bridge

Avenue 8 over Future High Speed Train is a prestressed concrete stringer/multi-beam or girder carrying Avenue 8 over Future High Speed Train in Madera County, California. It was built in 2019, so it is 6 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 1,000 vehicles a day, roughly 10% of them trucks, projected to reach 2,000 by 2040. The structure is 113 ft (34.4 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAvenue 8
CrossesFuture High Speed Train
Location0.7 M West of Road 33
RouteCounty Highway 0
Coordinates36.86583, -119.95556
Functional classRural Local

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 inspectionMarch 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 rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length113 ft (34.4 m)
Longest span108 ft (32.9 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2019)
Projected traffic2,000 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 8 over Future High Speed Train built?

It was built in 2019, making it 6 years old in 2025.

What condition is Avenue 8 over Future High Speed Train 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 March 2023.

How much traffic does Avenue 8 over Future High Speed Train carry?

About 1,000 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Avenue 8 over Future High Speed Train?

The structure is 113 ft (34.4 m) long with a longest span of 108 ft (32.9 m) and a deck 35 ft wide.

Who owns Avenue 8 over Future High Speed Train?

It is owned by the Other State Agency.