US Bridges

Randall Road over Bryant Brook

Good

Merrimack County, New Hampshire · 0.02 MI from West RD · Structure no. 003800910011800

Built
1930
95 years old, rebuilt 2017
Condition
Good
inspected August 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
96
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Randall Road over Bryant Brook is a concrete slab carrying Randall Road over Bryant Brook in Merrimack County, New Hampshire. It was built in 1930 and reconstructed in 2017, 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 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 34 ft (10.4 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRandall Road
CrossesBryant Brook
Location0.02 MI from West RD
Coordinates43.35599, -71.59759
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
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.1 US tons
Inventory rating66.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span29 ft (8.8 m)
Deck width20 ft (6.1 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic96 (2023)
Projected traffic142 by 2043
Trucks4%
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 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 Randall Road over Bryant Brook built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2017.

What condition is Randall Road over Bryant 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 Randall Road over Bryant Brook carry?

About 96 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Randall Road over Bryant Brook?

The structure is 34 ft (10.4 m) long with a longest span of 29 ft (8.8 m) and a deck 20 ft wide.

Who owns Randall Road over Bryant Brook?

It is owned by the City or Municipal Highway Agency.