Structure I-02-B · Mesa County, CO

SH 141 Ml over Gibble Gulch

Carries SH 141 Ml over Gibble Gulch, 33.6 Mi NE Of Gateway.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT93 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

93 ft end to end, longest span 23 ft. 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 tee-beam bridge.

Built195373 years old
Length92.5 ft28.2 m
Daily traffic540counted 2020
Last inspectedDecember 2024every 24 months

Location

StateColorado
CountyMesa
Location33.6 Mi NE Of Gateway
CarriesSH 141 Ml
CrossesGibble Gulch
Coordinates38.87280, -108.51354

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length92.5 ft (28.2 m)
Max Span23.0 ft (7 m)
Deck Width24.9 ft (7.6 m)
Deck Area214.3 sq m
Main Spans4
Year Built1953

Traffic

Avg Daily Traffic540 (2020)
Truck Traffic12%
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 NumberI-02-B

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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