Structure 22601450008000 · Rockingham County, NH

Nh 1a over Rye Harbor

Carries Nh 1a over Rye Harbor, 2.7 Mi From N Hampton 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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT95 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

95 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 multi-beam bridge.

Built198640 years old
Length95.1 ft29 m
Daily traffic2,740counted 2023
Last inspectedJune 2024every 24 months

Location

StateNew Hampshire
CountyRockingham
Location2.7 Mi From N Hampton Tl
CarriesNh 1a
CrossesRye Harbor
Coordinates43.00345, -70.74974

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length95.1 ft (29 m)
Max Span89.9 ft (27.4 m)
Deck Width40.0 ft (12.2 m)
Deck Area353.8 sq m
Main Spans1
Year Built1986

Traffic

Avg Daily Traffic2,740 (2023)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number022601450008000

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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