Structure 18001200007800 · Merrimack County, NH

Village Road over Andrew Brook

Carries Village Road over Andrew Brook, 300ft. Rte. 103.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very 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 FT49 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

49 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 slab bridge.

Built201115 years old
Length49.2 ft15 m
Daily traffic458counted 2023
Last inspectedSeptember 2024every 24 months

Location

StateNew Hampshire
CountyMerrimack
Location300ft. Rte. 103
CarriesVillage Road
CrossesAndrew Brook
Coordinates43.30155, -72.00656

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length49.2 ft (15 m)
Max Span43.0 ft (13.1 m)
Deck Width27.2 ft (8.3 m)
Deck Area124.5 sq m
Main Spans1
Year Built2011

Traffic

Avg Daily Traffic458 (2023)
Truck Traffic10%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number018001200007800

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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