I 495 NB over Water Concord River

Good Condition15 years old61,200 vehicles/day

Location

StateMassachusetts
CountyMiddlesex
Location3.2km South Of RT 38
CarriesI 495 NB
CrossesWater Concord River
Coordinates42.61597, -71.29583

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length186.7 ft (56.9 m)
Max Span180.1 ft (54.9 m)
Deck Width58.4 ft (17.8 m)
Deck Area1012.8 sq m
Main Spans1
Year Built2011

Traffic

Avg Daily Traffic61,200 (2019)
Truck Traffic5%
Lanes On Bridge3

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure NumberL15082AQCDOTNBI

Nearby Bridges