US Bridges

Nh 33 over CSX

Good

Rockingham County, New Hampshire · 0.75 MI from JCT I-95 · Structure no. 021701540010100

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
50 ft
1 main span
Daily traffic
15,024
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nh 33 over CSX is a concrete slab carrying Nh 33 over CSX in Rockingham County, New Hampshire. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,024 vehicles a day, roughly 5% of them trucks, projected to reach 22,235 by 2043. The structure is 50 ft (15.2 m) long and 50 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNh 33
CrossesCSX
Location0.75 MI from JCT I-95
RouteState Highway 101
CountyRockingham County
StateNew Hampshire
Coordinates43.05687, -70.78853
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable 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 rating99 US tons
Inventory rating99 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length50 ft (15.2 m)
Longest span45 ft (13.7 m)
Deck width50 ft (15.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,024 (2023)
Projected traffic22,235 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Nh 33 over CSX built?

It was built in 2010, making it 15 years old in 2025.

What condition is Nh 33 over CSX 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 October 2023.

How much traffic does Nh 33 over CSX carry?

About 15,024 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Nh 33 over CSX?

The structure is 50 ft (15.2 m) long with a longest span of 45 ft (13.7 m) and a deck 50 ft wide.

Who owns Nh 33 over CSX?

It is owned by the City or Municipal Highway Agency.