US Bridges

Dyers Crossing RD over Sucker Brook

Good

Merrimack County, New Hampshire · 0.05 MI Nh 11 · Structure no. 000801990014400

Built
2005
20 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
80
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dyers Crossing RD over Sucker Brook is a concrete culvert carrying Dyers Crossing RD over Sucker Brook in Merrimack County, New Hampshire. It was built in 2005, so it is 20 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 80 vehicles a day, roughly 4% of them trucks, projected to reach 118 by 2043. The structure is 22 ft (6.6 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesDyers Crossing RD
CrossesSucker Brook
Location0.05 MI Nh 11
Coordinates43.4713, -71.72477
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.5 US tons
Inventory rating54 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length22 ft (6.6 m)
Longest span20 ft (6.1 m)
Deck width30 ft (9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2023)
Projected traffic118 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 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 Dyers Crossing RD over Sucker Brook built?

It was built in 2005, making it 20 years old in 2025.

What condition is Dyers Crossing RD over Sucker 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 Dyers Crossing RD over Sucker Brook carry?

About 80 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Dyers Crossing RD over Sucker Brook?

The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.1 m) and a deck 30 ft wide.

Who owns Dyers Crossing RD over Sucker Brook?

It is owned by the City or Municipal Highway Agency.