US Bridges

Tuttle Hill Road over Orange Brook

Fair

Grafton County, New Hampshire · 0.16 MI FR Orange RD · Structure no. 020200640009900

Built
1995
30 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
37 ft
1 main span
Daily traffic
120
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Tuttle Hill Road over Orange Brook is a concrete culvert carrying Tuttle Hill Road over Orange Brook in Grafton County, New Hampshire. It was built in 1995, so it is 30 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 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 120 vehicles a day, roughly 4% of them trucks, projected to reach 177 by 2043. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesTuttle Hill Road
CrossesOrange Brook
Location0.16 MI FR Orange RD
CountyGrafton County
StateNew Hampshire
Coordinates43.65186, -71.96989
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 rating67 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic177 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Tuttle Hill Road over Orange Brook built?

It was built in 1995, making it 30 years old in 2025.

What condition is Tuttle Hill Road over Orange 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 October 2023.

How much traffic does Tuttle Hill Road over Orange Brook carry?

About 120 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Tuttle Hill Road over Orange Brook?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m).

Who owns Tuttle Hill Road over Orange Brook?

It is owned by the City or Municipal Highway Agency.