Structure 6864 · Eddy County, NM

Us-285 Nbl/sbl over Four Mile Draw

Carries Us-285 Nbl/sbl over Four Mile Draw, 11.3 Mi S Of Jct Us-82.

Overall conditionFair

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

How ratings work
Culvertsets 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 FT153 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 153 ft across with 10 openings: 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, so those are drawn as typical for a culvert.

Built1963rebuilt 1983
Length152.9 ft46.6 m
Daily traffic9,240counted 2023
Last inspectedDecember 2021every 48 months

Location

StateNew Mexico
CountyEddy
Location11.3 Mi S Of Jct Us-82
CarriesUs-285 Nbl/sbl
CrossesFour Mile Draw
Coordinates32.67940, -104.39550

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length152.9 ft (46.6 m)
Max Span14.1 ft (4.3 m)
Deck Area582.5 sq m
Main Spans10
Year Built1963 (reconstructed 1983)

Traffic

Avg Daily Traffic9,240 (2023)
Truck Traffic23%
Lanes On Bridge4

Inspection & Ownership

Last InspectionDecember 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000006864

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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