Structure 52 0040 · Ventura County, CA

State Route 1 over Up Rr & Amtrak

Carries State Route 1 over Up Rr & Amtrak, 07-ven-001-21.54.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT570 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 7/9

570 ft end to end: about 1.6 football fields. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built1934rebuilt 1961
Length569.9 ft173.7 m
Daily traffic4,000counted 2020
Last inspectedJanuary 2025every 12 months

Location

StateCalifornia
CountyVentura
Location07-ven-001-21.54
CarriesState Route 1
CrossesUp Rr & Amtrak
Coordinates34.29251, -119.33822

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length569.9 ft (173.7 m)
Max Span95.1 ft (29 m)
Deck Width47.9 ft (14.6 m)
Deck Area2536.0 sq m
Main Spans1
Year Built1934 (reconstructed 1961)

Traffic

Avg Daily Traffic4,000 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number52 0040

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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