Structure 85009300.10033 · Montrose County, CO

County Road 93 over Squaw Creek

Carries County Road 93 over Squaw Creek, N Of Sh50 Mp 112.6.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT25 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 7/9Substructure 5/9 · sets the rating

25 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.

Built192799 years old
Length25.3 ft7.7 m
Daily traffic10counted 2022
Last inspectedSeptember 2023every 24 months

Location

StateColorado
CountyMontrose
LocationN Of Sh50 Mp 112.6
CarriesCounty Road 93
CrossesSquaw Creek
Coordinates38.44302, -107.55699

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length25.3 ft (7.7 m)
Max Span22.3 ft (6.8 m)
Deck Width23.3 ft (7.1 m)
Deck Area54.7 sq m
Main Spans1
Year Built1927

Traffic

Avg Daily Traffic10 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number85009300.10033

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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