US Bridges

Center Road over US202 Nh 9

Good

Hillsborough County, New Hampshire · 2.2MI W Henniker T/L · Structure no. 012201370005100

Built
2002
23 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
117 ft
1 main span
Daily traffic
2,316
2023 count
Owner
State
State Highway Agency

About this bridge

Center Road over US202 Nh 9 is a steel stringer/multi-beam or girder carrying Center Road over US202 Nh 9 in Hillsborough County, New Hampshire. It was built in 2002, so it is 23 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 2,316 vehicles a day, roughly 6% of them trucks, projected to reach 3,427 by 2043. The structure is 117 ft (35.7 m) long and 42 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCenter Road
CrossesUS202 Nh 9
Location2.2MI W Henniker T/L
CountyHillsborough County
StateNew Hampshire
Coordinates43.12139, -71.90129
Functional classRural Minor Collector

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating79.7 US tons
Inventory rating47.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length117 ft (35.7 m)
Longest span104 ft (31.7 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,316 (2023)
Projected traffic3,427 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Center Road over US202 Nh 9 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Center Road over US202 Nh 9 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 March 2024.

How much traffic does Center Road over US202 Nh 9 carry?

About 2,316 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Center Road over US202 Nh 9?

The structure is 117 ft (35.7 m) long with a longest span of 104 ft (31.7 m) and a deck 42 ft wide.

Who owns Center Road over US202 Nh 9?

It is owned by the State Highway Agency.