US Bridges

Nh 11 over Otter Pond Outlet

Fair

Sullivan County, New Hampshire · 0.5 Mi. from New London T · Structure no. 024701210016500

Built
1954
71 years old
Condition
Fair
inspected April 2023
Type
Culvert
Steel
Length
24 ft
1 main span
Daily traffic
7,212
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 11 over Otter Pond Outlet is a steel culvert carrying Nh 11 over Otter Pond Outlet in Sullivan County, New Hampshire. It was built in 1954, so it is 71 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,212 vehicles a day, roughly 7% of them trucks, projected to reach 10,673 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNh 11
CrossesOtter Pond Outlet
Location0.5 Mi. from New London T
RouteState Highway 11
CountySullivan County
StateNew Hampshire
Coordinates43.43165, -72.06662
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,212 (2023)
Projected traffic10,673 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Nh 11 over Otter Pond Outlet built?

It was built in 1954, making it 71 years old in 2025.

What condition is Nh 11 over Otter Pond Outlet in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Nh 11 over Otter Pond Outlet carry?

About 7,212 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nh 11 over Otter Pond Outlet?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Nh 11 over Otter Pond Outlet?

It is owned by the State Highway Agency.