US Bridges

Valley Road over Highland Lake Inlet

Good

Sullivan County, New Hampshire · 150 Southeast of Cove Ro · Structure no. 026501260003900

Built
2015
10 years old
Condition
Good
inspected September 2024
Type
Slab
Wood or Timber
Length
37 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Valley Road over Highland Lake Inlet is a wood or timber slab carrying Valley Road over Highland Lake Inlet in Sullivan County, New Hampshire. It was built in 2015, so it is 10 years old, younger than the New Hampshire average of 56.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 96 vehicles a day, roughly 5% of them trucks, projected to reach 142 by 2043. The structure is 37 ft (11.3 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesValley Road
CrossesHighland Lake Inlet
Location150 Southeast of Cove Ro
CountySullivan County
StateNew Hampshire
Coordinates43.14375, -72.09219
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating60 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span33 ft (10.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Valley Road over Highland Lake Inlet built?

It was built in 2015, making it 10 years old in 2025.

What condition is Valley Road over Highland Lake Inlet in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Valley Road over Highland Lake Inlet carry?

About 96 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Valley Road over Highland Lake Inlet?

The structure is 37 ft (11.3 m) long with a longest span of 33 ft (10.1 m) and a deck 24 ft wide.

Who owns Valley Road over Highland Lake Inlet?

It is owned by the City or Municipal Highway Agency.