Structure 58 0263R · Imperial County, CA

Interstate 8 EB over Myer Creek

Carries Interstate 8 EB over Myer Creek, 11-imp-008-r5.19r.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT52 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 52 ft across. Lengths and the car 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, so those are drawn as typical for a culvert.

Built1964rebuilt 1978
Length51.8 ft15.8 m
Daily traffic7,105counted 2018
Last inspectedMay 2024every 24 months

Location

StateCalifornia
CountyImperial
Location11-imp-008-r5.19r
CarriesInterstate 8 EB
CrossesMyer Creek
Coordinates32.68052, -116.06867

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length51.8 ft (15.8 m)
Max Span24.3 ft (7.4 m)
Deck Area211.7 sq m
Main Spans1
Year Built1964 (reconstructed 1978)

Traffic

Avg Daily Traffic7,105 (2018)
Truck Traffic20%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number58 0263R

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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