US Bridges

Ramp E(camp St) over CSX

Fair

Hillsborough County, New Hampshire · 0.3 MI W JCT US 3 · Structure no. 016101070007100

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
436 ft
6 main spans
Daily traffic
3,341
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ramp E(camp St) over CSX is a steel stringer/multi-beam or girder carrying Ramp E(camp St) over CSX in Hillsborough County, New Hampshire. It was built in 1970, so it is 55 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 5 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 3,341 vehicles a day, roughly 8% of them trucks, projected to reach 4,944 by 2043. The structure is 436 ft (132.9 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRamp E(camp St)
CrossesCSX
Location0.3 MI W JCT US 3
RouteCity Street 0
Coordinates43.00274, -71.46812
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating93.8 US tons
Inventory rating56.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length436 ft (132.9 m)
Longest span70 ft (21.3 m)
Deck width28 ft (8.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,341 (2023)
Projected traffic4,944 by 2043
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

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 Ramp E(camp St) over CSX built?

It was built in 1970, making it 55 years old in 2025.

What condition is Ramp E(camp St) over CSX 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 July 2024.

How much traffic does Ramp E(camp St) over CSX carry?

About 3,341 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ramp E(camp St) over CSX?

The structure is 436 ft (132.9 m) long with a longest span of 70 ft (21.3 m) and a deck 28 ft wide.

Who owns Ramp E(camp St) over CSX?

It is owned by the City or Municipal Highway Agency.