I 90 WB On-ramp E over Comb I90 W Onrp A & Csx

Fair Condition61 years old5,043 vehicles/day

Location

StateMassachusetts
CountySuffolk
LocationAt Toll Plazas S104a
CarriesI 90 WB On-ramp E
CrossesComb I90 W Onrp A & Csx
Coordinates42.35871, -71.12179

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length173.9 ft (53 m)
Max Span53.1 ft (16.2 m)
Deck Width33.1 ft (10.1 m)
Deck Area535.3 sq m
Main Spans4
Year Built1965

Traffic

Avg Daily Traffic5,043 (2024)
Truck Traffic7%
Lanes On Bridge1
Lanes Under Bridge1

Inspection & Ownership

Last Inspection724
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure NumberB163554RPDOTNBI

Nearby Bridges

I 90 EB On-ramp over Comb I90 W Onrp A & Csx 0.0 mi Fair I 90 EB Off- Ramp over I 90 WB & Ramps F D L 0.0 mi Poor HWY Cambridge ST over Comb I90 E Rps Bdl & Cs 0.1 mi Poor I 90 EB Ramp On D over I 90 0.1 mi Fair I 90 WB Ramp Off over Rr Mbta 0.2 mi Fair HWY Cambridge ST over HWY Soldiers Field RD 0.3 mi Fair I 90 over Other Relief 0.3 mi Fair HWY Cambridge ST over Water Charles River 0.3 mi Poor I 90 over HWY Service RD 0.3 mi Fair HWY Western AVE over HWY Soldiers Field RD 0.4 mi Fair