Structure 15400280014200 · Rockingham County, NH

Wieczorek DR over Little Cohas Brook

Carries Wieczorek DR over Little Cohas Brook, 0.5 From Mht.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT440 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

440 ft end to end, longest span 174 ft: about 6 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 multi-beam bridge.

Built201115 years old
Length439.6 ft134 m
Daily traffic8,168counted 2023
Last inspectedJune 2023every 24 months

Location

StateNew Hampshire
CountyRockingham
Location0.5 From Mht
CarriesWieczorek DR
CrossesLittle Cohas Brook
Coordinates42.92001, -71.44347

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length439.6 ft (134 m)
Max Span173.9 ft (53 m)
Deck Width105.0 ft (32 m)
Deck Area4,288 sq m
Main Spans3
Year Built2011

Traffic

Avg Daily Traffic8,168 (2023)
Truck Traffic10%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number015400280014200

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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