US Bridges

Highland Street over Jewett Brook

Good

Belknap County, New Hampshire · .08MIFRRTE 11A-GILFORDAVE · Structure no. 013901300005600

Built
1989
36 years old, rebuilt 2024
Condition
Good
inspected October 2024
Type
Frame
Concrete
Length
27 ft
1 main span
Daily traffic
2,699
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Highland Street over Jewett Brook is a concrete frame carrying Highland Street over Jewett Brook in Belknap County, New Hampshire. It was built in 1989 and reconstructed in 2024, so it is 36 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 2,699 vehicles a day, roughly 3% of them trucks, projected to reach 3,994 by 2043. The structure is 27 ft (8.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHighland Street
CrossesJewett Brook
Location.08MIFRRTE 11A-GILFORDAVE
RouteCity Street 0
Coordinates43.53179, -71.45936
Functional classUrban Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating66 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,699 (2023)
Projected traffic3,994 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Highland Street over Jewett Brook built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2024.

What condition is Highland Street over Jewett 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 October 2024.

How much traffic does Highland Street over Jewett Brook carry?

About 2,699 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Highland Street over Jewett Brook?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.

Who owns Highland Street over Jewett Brook?

It is owned by the City or Municipal Highway Agency.