Structure L080471NWDOTNBI · Worcester County, MA

ST 2 WB over HWY Nashua ST

Carries ST 2 WB over HWY Nashua ST, .5 Miles S.e. Of ST 13.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT145 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

145 ft end to end: about 2 semi-trucks nose to tail. Lengths and the semi-truck 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.

Built197551 years old
Length145.0 ft44.2 m
Daily traffic32,888counted 2021
Last inspectedApril 2023every 24 months

Location

StateMassachusetts
CountyWorcester
Location.5 Miles S.e. Of ST 13
CarriesST 2 WB
CrossesHWY Nashua ST
Coordinates42.52938, -71.73412

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length145.0 ft (44.2 m)
Max Span139.1 ft (42.4 m)
Deck Width88.6 ft (27 m)
Deck Area1193.4 sq m
Main Spans1
Year Built1975

Traffic

Avg Daily Traffic32,888 (2021)
Truck Traffic6%
Lanes On Bridge3
Lanes Under Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberL080471NWDOTNBI

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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