US Bridges

Old Nh 10 over Skinner Brook

Fair

Sullivan County, New Hampshire · 3.11 Mi. N. of Croydon Tl · Structure no. 010001160009300

Built
1930
95 years old, rebuilt 1990
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
48 ft
1 main span
Daily traffic
96
2023 count
Owner
State
State Highway Agency

About this bridge

Old Nh 10 over Skinner Brook is a concrete tee beam carrying Old Nh 10 over Skinner Brook in Sullivan County, New Hampshire. It was built in 1930 and reconstructed in 1990, 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 fair condition with a lowest component rating of 5 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 96 vehicles a day, roughly 4% of them trucks, projected to reach 142 by 2043. The structure is 48 ft (14.6 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOld Nh 10
CrossesSkinner Brook
Location3.11 Mi. N. of Croydon Tl
RouteState Highway 10
CountySullivan County
StateNew Hampshire
Coordinates43.50843, -72.13226
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.8 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 closed1.9 mi (3 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 Old Nh 10 over Skinner Brook built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1990.

What condition is Old Nh 10 over Skinner Brook 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 Old Nh 10 over Skinner Brook carry?

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

How long is Old Nh 10 over Skinner Brook?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 29 ft wide.

Who owns Old Nh 10 over Skinner Brook?

It is owned by the State Highway Agency.