Structure H030032PJMUNNBI · Essex County, MA

HWY Highland ST over Water Ipswich River

Carries HWY Highland ST over Water Ipswich River, At Ipswich Line.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT105 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck not ratedSuperstructure 5/9 · sets the ratingSubstructure 6/9

105 ft end to end, longest span 29 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 deck arch.

Built1833rebuilt 2009
Length105.0 ft32 m
Daily traffic4,100counted 2017
Last inspectedJuly 2023every 24 months

Location

StateMassachusetts
CountyEssex
LocationAt Ipswich Line
CarriesHWY Highland ST
CrossesWater Ipswich River
Coordinates42.65830, -70.86195

Physical Characteristics

MaterialMasonry
DesignArch - Deck
Total Length105.0 ft (32 m)
Max Span28.9 ft (8.8 m)
Deck Width35.1 ft (10.7 m)
Deck Area342.4 sq m
Main Spans3
Year Built1833 (reconstructed 2009)

Traffic

Avg Daily Traffic4,100 (2017)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure NumberH030032PJMUNNBI

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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