US Bridges

Jones Road over Hoyt Brook

Good

Merrimack County, New Hampshire · 0.4 MI Nh 114 · Structure no. 002801410013700

Built
2008
17 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
439
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Jones Road over Hoyt Brook is a prestressed concrete slab carrying Jones Road over Hoyt Brook in Merrimack County, New Hampshire. It was built in 2008, so it is 17 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 439 vehicles a day, projected to reach 649 by 2043. The structure is 44 ft (13.5 m) long and 29 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesJones Road
CrossesHoyt Brook
Location0.4 MI Nh 114
CountyMerrimack County
StateNew Hampshire
Coordinates43.25949, -71.95375
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating97.2 US tons
Inventory rating58.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length44 ft (13.5 m)
Longest span42 ft (12.8 m)
Deck width29 ft (8.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic439 (2023)
Projected traffic649 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Jones Road over Hoyt Brook built?

It was built in 2008, making it 17 years old in 2025.

What condition is Jones Road over Hoyt Brook 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 2023.

How much traffic does Jones Road over Hoyt Brook carry?

About 439 vehicles per day (2023 count).

How long is Jones Road over Hoyt Brook?

The structure is 44 ft (13.5 m) long with a longest span of 42 ft (12.8 m) and a deck 29 ft wide.

Who owns Jones Road over Hoyt Brook?

It is owned by the City or Municipal Highway Agency.