US Bridges

Mcintyre Road over Arboretum Drive

Fair

Rockingham County, New Hampshire · Town RD · Structure no. 018500860009200

Built
1972
53 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
1,183
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mcintyre Road over Arboretum Drive is a prestressed concrete stringer/multi-beam or girder carrying Mcintyre Road over Arboretum Drive in Rockingham County, New Hampshire. It was built in 1972, so it is 53 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 1,183 vehicles a day, roughly 4% of them trucks, projected to reach 1,750 by 2043. The structure is 44 ft (13.4 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesMcintyre Road
CrossesArboretum Drive
LocationTown RD
CountyRockingham County
StateNew Hampshire
Coordinates43.09423, -70.84202
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating22.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,183 (2023)
Projected traffic1,750 by 2043
Trucks4%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mcintyre Road over Arboretum Drive built?

It was built in 1972, making it 53 years old in 2025.

What condition is Mcintyre Road over Arboretum Drive 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 August 2024.

How much traffic does Mcintyre Road over Arboretum Drive carry?

About 1,183 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Mcintyre Road over Arboretum Drive?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns Mcintyre Road over Arboretum Drive?

It is owned by the City or Municipal Highway Agency.