Structure DIQ · Big Horn County, WY

US 16 over Bnsf Railway

Carries US 16 over Bnsf Railway, Worland - Basin.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT292 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

292 ft end to end, longest span 122 ft: about 4 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.

Built197947 years old
Length292.0 ft89 m
Daily traffic2,014counted 2024
Last inspectedMay 2024every 24 months

Location

StateWyoming
CountyBig Horn
LocationWorland - Basin
CarriesUS 16
CrossesBnsf Railway
Coordinates44.26661, -107.96053

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length292.0 ft (89 m)
Max Span122.0 ft (37.2 m)
Deck Width48.2 ft (14.7 m)
Deck Area1308.3 sq m
Main Spans3
Year Built1979

Traffic

Avg Daily Traffic2,014 (2024)
Truck Traffic14%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure NumberDIQ

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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