US Bridges

NH152 over CSX

Good

Rockingham County, New Hampshire · .1 MI from JCT Rt 108 · Structure no. 019001200008900

Built
1927
98 years old, rebuilt 1993
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
4,040
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

NH152 over CSX is a steel stringer/multi-beam or girder carrying NH152 over CSX in Rockingham County, New Hampshire. It was built in 1927 and reconstructed in 1993, so it is 98 years old, older 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 4,040 vehicles a day, roughly 4% of them trucks, projected to reach 5,979 by 2043. The structure is 36 ft (11 m) long and 49 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNH152
CrossesCSX
Location.1 MI from JCT Rt 108
RouteState Highway 152
Coordinates43.07682, -70.94026
Functional classUrban Collector

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.3 US tons
Inventory rating57.2 US tons

Structure

MaterialSteel
DeckClosed grating
Main spans1
Design loadHS 25 or greater
Structure length36 ft (11 m)
Longest span30 ft (9.1 m)
Deck width49 ft (14.9 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,040 (2023)
Projected traffic5,979 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed6.2 mi (10 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 NH152 over CSX built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1993.

What condition is NH152 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 2024.

How much traffic does NH152 over CSX carry?

About 4,040 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is NH152 over CSX?

The structure is 36 ft (11 m) long with a longest span of 30 ft (9.1 m) and a deck 49 ft wide.

Who owns NH152 over CSX?

It is owned by the City or Municipal Highway Agency.