Structure 14301610010500 · Sullivan County, NH

Crane Brook Road over Cold River

Carries Crane Brook Road over Cold River, 0.5mi West Of Acworth Tl.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT94 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

94 ft end to end, longest span 45 ft. 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 multi-beam bridge.

Built196462 years old
Length94.2 ft28.7 m
Daily traffic369counted 2023
Last inspectedJuly 2023every 24 months

Location

StateNew Hampshire
CountySullivan
Location0.5mi West Of Acworth Tl
CarriesCrane Brook Road
CrossesCold River
Coordinates43.16974, -72.34584

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length94.2 ft (28.7 m)
Max Span44.9 ft (13.7 m)
Deck Width26.9 ft (8.2 m)
Deck Area235.3 sq m
Main Spans2
Year Built1964

Traffic

Avg Daily Traffic369 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical3 — Scour critical
Structure Number014301610010500

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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