Structure CRB · Laramie County, WY

Wyo 211 over I-25

Carries Wyo 211 over I-25, Cheyenne Marginal.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT209 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

209 ft end to end, longest span 56 ft: about 3 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 multi-beam bridge.

Built196165 years old
Length208.7 ft63.6 m
Daily traffic2,429counted 2024
Last inspectedApril 2023every 24 months

Location

StateWyoming
CountyLaramie
LocationCheyenne Marginal
CarriesWyo 211
CrossesI-25
Coordinates41.21836, -104.83773

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length208.7 ft (63.6 m)
Max Span56.1 ft (17.1 m)
Deck Width31.5 ft (9.6 m)
Deck Area610.6 sq m
Main Spans4
Year Built1961

Traffic

Avg Daily Traffic2,429 (2024)
Truck Traffic2%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure NumberCRB

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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