Structure 8776 · Eddy County, NM

Us-285 Nbl over Four Mile Draw

Carries Us-285 Nbl over Four Mile Draw, 11.2 Mi S Of Us-82.

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
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT145 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

145 ft end to end, longest span 40 ft: about 2 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 slab bridge.

Built199333 years old
Length145.0 ft44.2 m
Daily traffic9,240counted 2023
Last inspectedJuly 2024every 24 months

Location

StateNew Mexico
CountyEddy
Location11.2 Mi S Of Us-82
CarriesUs-285 Nbl
CrossesFour Mile Draw
Coordinates32.67989, -104.39550

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length145.0 ft (44.2 m)
Max Span40.0 ft (12.2 m)
Deck Width41.0 ft (12.5 m)
Deck Area552.5 sq m
Main Spans4
Year Built1993

Traffic

Avg Daily Traffic9,240 (2023)
Truck Traffic23%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000008776

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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