Structure 57 0698R · San Diego County, CA

Interstate 8 EB over Kitchen Creek

Carries Interstate 8 EB over Kitchen Creek, 11-sd-008-r50.64.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT440 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 7/9Substructure 7/9

440 ft end to end, longest span 98 ft: about 6 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 box-beam bridge.

Built197452 years old
Length440.0 ft134.1 m
Daily traffic8,000counted 2014
Last inspectedMay 2023every 24 months

Location

StateCalifornia
CountySan Diego
Location11-sd-008-r50.64
CarriesInterstate 8 EB
CrossesKitchen Creek
Coordinates32.73472, -116.48029

Physical Characteristics

MaterialConcrete Continuous
DesignBox Beam - Multiple
Total Length440.0 ft (134.1 m)
Max Span98.1 ft (29.9 m)
Deck Width42.0 ft (12.8 m)
Deck Area1716.5 sq m
Main Spans5
Year Built1974

Traffic

Avg Daily Traffic8,000 (2014)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number57 0698R

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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