Structure IVO · Fremont County, WY

Fr Cnty RD 497 over Haymaker Draw

Carries Fr Cnty RD 497 over Haymaker Draw, 2.5 Miles NE Of Riverton.

Overall conditionPoor

Set by its lowest-rated component: Deck at 4 of 9.

How ratings work
Decksets the rating4/9 · Poor
Superstructure5/9 · Fair
Substructure5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT72 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9 · sets the ratingSuperstructure 5/9Substructure 5/9

72 ft end to end, longest span 32 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.

Built1921105 years old
Length71.9 ft21.9 m
Daily traffic140counted 2024
Last inspectedMarch 2024every 12 months

Location

StateWyoming
CountyFremont
Location2.5 Miles NE Of Riverton
CarriesFr Cnty RD 497
CrossesHaymaker Draw
Coordinates43.07046, -108.36125

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length71.9 ft (21.9 m)
Max Span32.2 ft (9.8 m)
Deck Width21.0 ft (6.4 m)
Deck Area140.2 sq m
Main Spans2
Year Built1921

Traffic

Avg Daily Traffic140 (2024)
Truck Traffic17%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 12 months
OwnerCounty Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalUnknown
Structure NumberIVO

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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