US 4 Nh 16 Sp Tpk over NB Ramp

Good Condition55 years old12,881 vehicles/day

Location

StateNew Hampshire
CountyRockingham
LocationN Sp Tpk I-95 Interchange
CarriesUS 4 Nh 16 Sp Tpk
CrossesNB Ramp
Coordinates43.07897, -70.78912

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Scour CriticalNot applicable

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length144.4 ft (44 m)
Max Span140.1 ft (42.7 m)
Deck Width44.9 ft (13.7 m)
Deck Area602.8 sq m
Main Spans1
Year Built1971

Traffic

Avg Daily Traffic12,881 (2023)
Truck Traffic8%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection623
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number021701990013900

Nearby Bridges

Ashland Road over I-95 Ramps 0.3 mi Good I-95 SB over US 4 Nh 16 Sp Tpk 0.4 mi Fair I-95 NB over US 4 Nh 16 Sp Tpk 0.5 mi Fair I-95 SB over Woodbury Avenue 0.5 mi Good I-95 NB over Woodbury Avenue 0.5 mi Good I-95 SB over NB Ramp 0.6 mi Good I-95 Ramps over Hodgson Brook 0.6 mi Fair Woodbury Avenue over US 1 Bypass 0.6 mi Good I-95 SB Connector over I-95 NB 0.6 mi Fair I-95 SB Connector over I-95 NB Ramp 0.6 mi Good