Structure 24C0100 · Sacramento County, CA

Hazel Avenue over American River

Carries Hazel Avenue over American River, 0.5 Mi N Of S.r. 50.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT566 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 5/9 · sets the rating

566 ft end to end, longest span 156 ft: 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 box-beam bridge.

Built1966rebuilt 2011
Length565.6 ft172.4 m
Daily traffic75,000counted 2008
Last inspectedMay 2024every 24 months

Location

StateCalifornia
CountySacramento
Location0.5 Mi N Of S.r. 50
CarriesHazel Avenue
CrossesAmerican River
Coordinates38.63531, -121.22423

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length565.6 ft (172.4 m)
Max Span156.5 ft (47.7 m)
Deck Width113.2 ft (34.5 m)
Deck Area5947.8 sq m
Main Spans4
Year Built1966 (reconstructed 2011)

Traffic

Avg Daily Traffic75,000 (2008)
Truck Traffic10%
Lanes On Bridge6

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number24C0100

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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