US Bridges

Nh 9 over Conrad Road

Good

Cheshire County, New Hampshire · 0.3 MI East Sullivan Tl · Structure no. 017800480010800

Built
1994
31 years old
Condition
Good
inspected June 2024
Type
Frame
Concrete
Length
63 ft
1 main span
Daily traffic
7,294
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 9 over Conrad Road is a concrete frame carrying Nh 9 over Conrad Road in Cheshire County, New Hampshire. It was built in 1994, so it is 31 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 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 7,294 vehicles a day, roughly 5% of them trucks, projected to reach 10,795 by 2043. The structure is 63 ft (19.2 m) long and 53 ft wide.

CarriesNh 9
CrossesConrad Road
Location0.3 MI East Sullivan Tl
RouteState Highway 9
Coordinates43.00651, -72.17019
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating41 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length63 ft (19.2 m)
Longest span54 ft (16.5 m)
Deck width53 ft (16.1 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,294 (2023)
Projected traffic10,795 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Nh 9 over Conrad Road built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nh 9 over Conrad Road 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 Nh 9 over Conrad Road carry?

About 7,294 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nh 9 over Conrad Road?

The structure is 63 ft (19.2 m) long with a longest span of 54 ft (16.5 m) and a deck 53 ft wide.

Who owns Nh 9 over Conrad Road?

It is owned by the State Highway Agency.