US Bridges

Bear Notch Road over Douglas Brook

Good

Carroll County, New Hampshire · .53 MI N. JCT 112 · Structure no. 000200840014900

Built
1964
61 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
985
2023 count
Owner
State
State Highway Agency

About this bridge

Bear Notch Road over Douglas Brook is a concrete culvert carrying Bear Notch Road over Douglas Brook in Carroll County, New Hampshire. It was built in 1964, so it is 61 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 985 vehicles a day, roughly 4% of them trucks, projected to reach 1,457 by 2043. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 60.3 mi (97 km).

CarriesBear Notch Road
CrossesDouglas Brook
Location.53 MI N. JCT 112
RouteState Highway 0
Coordinates43.99769, -71.32266
Functional classRural Major Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.9 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic985 (2023)
Projected traffic1,457 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Bear Notch Road over Douglas Brook built?

It was built in 1964, making it 61 years old in 2025.

What condition is Bear Notch Road over Douglas 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 June 2024.

How much traffic does Bear Notch Road over Douglas Brook carry?

About 985 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Bear Notch Road over Douglas Brook?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m).

Who owns Bear Notch Road over Douglas Brook?

It is owned by the State Highway Agency.