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River Road over Dodge Brook

Sullivan County, New Hampshire · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

River Road over Dodge Brook in Sullivan County, New Hampshire, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
It was built in 1933, making it 92 years old at the 2025 inventory.
It carries about 105 vehicles a day (traffic count year 2023).
Its listed owner is the state highway agency.
It is one of 70 of the 158 inventoried bridges in Sullivan County rated good (44.3%); 9 (5.7%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Steel stringer or multi-beam girder
Length	about 29 ft
Location	.67 Mi. N. Jct. Nh 123-a
NBI structure number	000101610008100
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the New Hampshire department of transportation.

Bridge	Built	Vehicles/day	Condition
Nh 11 NH103 over Sugar River	1981	13,248	Fair
Nh 11 NH103 over Sugar River	1985	12,792	Good
I-89 Nh 10 SB over I-89 Ramp	1959	10,987	Fair
I-89 Nh 10 SB over Skinner Brook	1972	10,987	Fair
I-89 Nh 10 SB over Miller Pond Road	1972	10,987	Good
I-89 SB over Nh 10	1972	10,987	Fair