Structure 7000800007000 · Strafford County, NH

Packers Falls Road over Lamprey River

Carries Packers Falls Road over Lamprey River, 1.1 Mi. Newmarket Tl.

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
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT67 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

67 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 deck arch.

Built1912rebuilt 2003
Length66.9 ft20.4 m
Daily traffic1,378counted 2023
Last inspectedSeptember 2023every 24 months

Location

StateNew Hampshire
CountyStrafford
Location1.1 Mi. Newmarket Tl
CarriesPackers Falls Road
CrossesLamprey River
Coordinates43.10312, -70.95196

Physical Characteristics

MaterialConcrete
DesignArch - Deck
Total Length66.9 ft (20.4 m)
Max Span42.0 ft (12.8 m)
Deck Width35.1 ft (10.7 m)
Deck Area218.3 sq m
Main Spans1
Year Built1912 (reconstructed 2003)

Traffic

Avg Daily Traffic1,378 (2023)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical8 — Stable, low risk
Structure Number007000800007000

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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