US Bridges

Avenue 20 over UP RR

Fair

Madera County, California · East of State HWY 99 · Structure no. 41C0059

Built
1980
45 years old
Condition
Fair
inspected January 2022
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
148 ft
3 main spans
Daily traffic
250
2020 count
Owner
County
County Highway Agency

About this bridge

Avenue 20 over UP RR is a concrete continuous box beam or girders - multiple carrying Avenue 20 over UP RR in Madera County, California. It was built in 1980, so it is 45 years old, younger 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 6 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 250 vehicles a day, roughly 9% of them trucks, projected to reach 1,045 by 2042. The structure is 148 ft (45.1 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesAvenue 20
CrossesUP RR
LocationEast of State HWY 99
RouteCounty Highway 0
CountyMadera County
StateCalifornia
Coordinates37.04329, -120.15791
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2022
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating54.2 US tons
Inventory rating41.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length148 ft (45.1 m)
Longest span64 ft (19.5 m)
Deck width48 ft (14.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic1,045 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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 20 over UP RR built?

It was built in 1980, making it 45 years old in 2025.

What condition is Avenue 20 over UP RR 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 January 2022.

How much traffic does Avenue 20 over UP RR carry?

About 250 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is Avenue 20 over UP RR?

The structure is 148 ft (45.1 m) long with a longest span of 64 ft (19.5 m) and a deck 48 ft wide.

Who owns Avenue 20 over UP RR?

It is owned by the County Highway Agency.