Structure 40303000001015 · Lincoln County, WY

Forest Road 10138 over Greys River

Carries Forest Road 10138 over Greys River, 3 Mi. East Of Alpine Wy..

Overall conditionPoor

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating4/9 · Poor
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT128 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 4/9 · sets the rating

128 ft end to end, longest span 62 ft. 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 girder bridge.

Built195472 years old
Length128.0 ft39 m
Daily traffic6002 lanes
Last inspectedOctober 2023every 24 months

Location

StateWyoming
CountyLincoln
Location3 Mi. East Of Alpine Wy.
CarriesForest Road 10138
CrossesGreys River
Coordinates43.14431, -110.97819

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length128.0 ft (39 m)
Max Span62.0 ft (18.9 m)
Deck Width29.5 ft (9 m)
Deck Area351 sq m
Main Spans2
Year Built1954

Traffic

Avg Daily Traffic600
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerU.S. Forest Service
Historical SignificanceHistorical significance is not determined
Scour Critical4 — Foundations need monitoring
Structure Number040303000001015

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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