Structure H-02-GB · Mesa County, CO

SH 340 Ml Wbnd over Redlands Power Canal

Carries SH 340 Ml Wbnd over Redlands Power Canal, W. Edge Of Grand Junction.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT71 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 5/9 · sets the rating

71 ft end to end. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built197452 years old
Length70.9 ft21.6 m
Daily traffic6,500counted 2020
Last inspectedDecember 2024every 24 months

Location

StateColorado
CountyMesa
LocationW. Edge Of Grand Junction
CarriesSH 340 Ml Wbnd
CrossesRedlands Power Canal
Coordinates39.06517, -108.58901

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length70.9 ft (21.6 m)
Max Span67.9 ft (20.7 m)
Deck Width47.2 ft (14.4 m)
Deck Area311.0 sq m
Main Spans1
Year Built1974

Traffic

Avg Daily Traffic6,500 (2020)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberH-02-GB

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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