Structure 9215 · Dona Ana County, NM

Us-70 over Hollman Road / Dunn Driv

Carries Us-70 over Hollman Road / Dunn Driv, 6.3 Mi East Of I-25 Exit.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT120 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

120 ft end to end. 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 box-beam bridge.

Built200719 years old
Length119.8 ft36.5 m
Daily traffic14,643counted 2023
Last inspectedMay 2023every 24 months

Location

StateNew Mexico
CountyDona Ana
Location6.3 Mi East Of I-25 Exit
CarriesUs-70
CrossesHollman Road / Dunn Driv
Coordinates32.39623, -106.68308

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length119.8 ft (36.5 m)
Max Span117.5 ft (35.8 m)
Deck Width41.7 ft (12.7 m)
Deck Area463.6 sq m
Main Spans1
Year Built2007

Traffic

Avg Daily Traffic14,643 (2023)
Truck Traffic17%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000009215

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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