Structure 9633 · Greenlee County, AZ

Zorrilla Street over San Francisco River

Carries Zorrilla Street over San Francisco River, 100 W Jct US 191.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT216 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

216 ft end to end: about 3 semi-trucks nose to tail. 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 through truss.

Built1917rebuilt 2020
Length215.9 ft65.8 m
Daily traffic415counted 2022
Last inspectedAugust 2023every 24 months

Location

StateArizona
CountyGreenlee
Location100 W Jct US 191
CarriesZorrilla Street
CrossesSan Francisco River
Coordinates33.05600, -109.29900

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length215.9 ft (65.8 m)
Max Span210.0 ft (64 m)
Deck Width31.8 ft (9.7 m)
Deck Area638.3 sq m
Main Spans1
Year Built1917 (reconstructed 2020)

Traffic

Avg Daily Traffic415 (2022)
Truck Traffic1%
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is on the National Register of Historic Places
Scour Critical3 — Scour critical
Structure Number09633

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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