I-89 SB over I-89 Ramp

Good Condition67 years old18,981 vehicles/day

Location

StateNew Hampshire
CountyMerrimack
Location2.0 Mi West Concord Tl
CarriesI-89 SB
CrossesI-89 Ramp
Coordinates43.18371, -71.65618

Condition Ratings

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

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length148.0 ft (45.1 m)
Max Span57.1 ft (17.4 m)
Deck Width49.9 ft (15.2 m)
Deck Area685.5 sq m
Main Spans3
Year Built1959 (reconstructed 1992)

Traffic

Avg Daily Traffic18,981 (2023)
Truck Traffic9%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last Inspection524
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number012901410007300

Nearby Bridges