US Bridges

US 1 over Sagamore Creek

Good

Rockingham County, New Hampshire · 3.0MI N. of Rye Tl · Structure no. 021701610006200

Built
2000
25 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
20 ft
1 main span
Daily traffic
15,904
2023 count
Owner
State
State Highway Agency

About this bridge

US 1 over Sagamore Creek is a prestressed concrete box beam or girders - single or spread carrying US 1 over Sagamore Creek in Rockingham County, New Hampshire. It was built in 2000, so it is 25 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 15,904 vehicles a day, roughly 6% of them trucks, projected to reach 23,537 by 2043. The structure is 20 ft (6.1 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesUS 1
CrossesSagamore Creek
Location3.0MI N. of Rye Tl
RouteU.S. Route 1
CountyRockingham County
StateNew Hampshire
Coordinates43.05086, -70.77063
Functional classUrban Other Principal 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating48 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length20 ft (6.1 m)
Longest span17 ft (5.2 m)
Deck width38 ft (11.5 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,904 (2023)
Projected traffic23,537 by 2043
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 1 over Sagamore Creek built?

It was built in 2000, making it 25 years old in 2025.

What condition is US 1 over Sagamore Creek 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 June 2023.

How much traffic does US 1 over Sagamore Creek carry?

About 15,904 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 1 over Sagamore Creek?

The structure is 20 ft (6.1 m) long with a longest span of 17 ft (5.2 m) and a deck 38 ft wide.

Who owns US 1 over Sagamore Creek?

It is owned by the State Highway Agency.