US Bridges

Brookdale Road over I-93

Good

Rockingham County, New Hampshire · 4 MI S Windham Tl · Structure no. 022800600008800

Built
2012
13 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
313 ft
2 main spans
Daily traffic
1,124
2023 count
Owner
State
State Highway Agency

About this bridge

Brookdale Road over I-93 is a steel continuous stringer/multi-beam or girder carrying Brookdale Road over I-93 in Rockingham County, New Hampshire. It was built in 2012, so it is 13 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 1,124 vehicles a day, roughly 4% of them trucks, projected to reach 1,663 by 2043. The structure is 313 ft (95.4 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBrookdale Road
CrossesI-93
Location4 MI S Windham Tl
CountyRockingham County
StateNew Hampshire
Coordinates42.78324, -71.2554
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.7 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length313 ft (95.4 m)
Longest span155 ft (47.2 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,124 (2023)
Projected traffic1,663 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Brookdale Road over I-93 built?

It was built in 2012, making it 13 years old in 2025.

What condition is Brookdale Road over I-93 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 May 2023.

How much traffic does Brookdale Road over I-93 carry?

About 1,124 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Brookdale Road over I-93?

The structure is 313 ft (95.4 m) long with a longest span of 155 ft (47.2 m) and a deck 33 ft wide.

Who owns Brookdale Road over I-93?

It is owned by the State Highway Agency.