Structure C837 · Fremont County, WY

IRR BIA RTE 31 over Meadow Creek

Carries IRR BIA RTE 31 over Meadow Creek, 1.5 Km SE Of Crowheart.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT72 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

72 ft end to end, longest span 24 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 multi-beam bridge.

Built197056 years old
Length72.2 ft22 m
Daily traffic50counted 2022
Last inspectedMay 2024every 24 months

Location

StateWyoming
CountyFremont
Location1.5 Km SE Of Crowheart
CarriesIRR BIA RTE 31
CrossesMeadow Creek
Coordinates43.30119, -109.18878

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length72.2 ft (22 m)
Max Span24.0 ft (7.3 m)
Deck Width24.0 ft (7.3 m)
Deck Area160.6 sq m
Main Spans3
Year Built1970

Traffic

Avg Daily Traffic50 (2022)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerBureau of Indian Affairs
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number00000000000C837

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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