ST 9 Boylston ST over HWY Centre ST

Fair Condition94 years old82,758 vehicles/day

Location

StateMassachusetts
CountyMiddlesex
Location1.5 Mi Ely RT 128
CarriesST 9 Boylston ST
CrossesHWY Centre ST
Coordinates42.31940, -71.20694

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignFrame
Total Length95.1 ft (29 m)
Max Span92.8 ft (28.3 m)
Deck Width62.0 ft (18.9 m)
Deck Area548.1 sq m
Main Spans1
Year Built1932

Traffic

Avg Daily Traffic82,758 (2024)
Truck Traffic5%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Structure NumberN120512EDDOTNBI

Nearby Bridges

ST 9 Boylston ST over Tr Green Line D 0.1 mi Poor HWY Walnut ST over Tr Green Line D 0.2 mi Poor HWY Rogers ST over Tr Green Line D 0.4 mi Fair HWY Parker ST over ST 9 Boylston ST 0.6 mi Fair HWY Centre ST over Tr Green Line D 0.7 mi Fair HWY Herrick RD over Tr Green Line D 1.0 mi Fair ST 9 Boylston ST over HWY Chestnut ST 1.0 mi Fair HWY Highland AVE over Water Charles River 1.0 mi Fair ST 9 Boylston ST over HWY Quinobequin RD 1.0 mi Fair HWY Langley RD over Tr Green Line D 1.1 mi Fair