US Bridges

Longview Road over Moose Brook

Good

Hillsborough County, New Hampshire · .08 MI from Nh RTE 123 · Structure no. 011201160010800

Built
1930
95 years old, rebuilt 2018
Condition
Good
inspected August 2024
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
431
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Longview Road over Moose Brook is a wood or timber slab carrying Longview Road over Moose Brook in Hillsborough County, New Hampshire. It was built in 1930 and reconstructed in 2018, so it is 95 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 431 vehicles a day, roughly 4% of them trucks, projected to reach 637 by 2043. The structure is 24 ft (7.3 m) long and 18 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLongview Road
CrossesMoose Brook
Location.08 MI from Nh RTE 123
Coordinates42.98239, -71.97747
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating77.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHL 93
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width18 ft (5.5 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic431 (2023)
Projected traffic637 by 2043
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusPossibly eligible for the National Register; requires further investigation
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 Longview Road over Moose Brook built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2018.

What condition is Longview Road over Moose 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 August 2024.

How much traffic does Longview Road over Moose Brook carry?

About 431 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Longview Road over Moose Brook?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 18 ft wide.

Who owns Longview Road over Moose Brook?

It is owned by the City or Municipal Highway Agency.