US Bridges

Chester Turnpike over NH101

Good

Rockingham County, New Hampshire · 0.4 MI Auburn Tl · Structure no. 003700840006900

Built
1984
41 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
171 ft
1 main span
Daily traffic
208
2023 count
Owner
State
State Highway Agency

About this bridge

Chester Turnpike over NH101 is a steel stringer/multi-beam or girder carrying Chester Turnpike over NH101 in Rockingham County, New Hampshire. It was built in 1984, so it is 41 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 208 vehicles a day, roughly 7% of them trucks, projected to reach 307 by 2043. The structure is 171 ft (52.1 m) long and 37 ft wide.

Location

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CarriesChester Turnpike
CrossesNH101
Location0.4 MI Auburn Tl
CountyRockingham County
StateNew Hampshire
Coordinates43.03396, -71.3397
Functional classRural Local

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.5 US tons
Inventory rating51.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length171 ft (52.1 m)
Longest span165 ft (50.3 m)
Deck width37 ft (11.4 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208 (2023)
Projected traffic307 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 Chester Turnpike over NH101 built?

It was built in 1984, making it 41 years old in 2025.

What condition is Chester Turnpike over NH101 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 April 2023.

How much traffic does Chester Turnpike over NH101 carry?

About 208 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Chester Turnpike over NH101?

The structure is 171 ft (52.1 m) long with a longest span of 165 ft (50.3 m) and a deck 37 ft wide.

Who owns Chester Turnpike over NH101?

It is owned by the State Highway Agency.