US Bridges

US302 over Sawyer River

Good

Carroll County, New Hampshire · 1.8 MI from Bartlett Tl · Structure no. 011602350005900

Built
2013
12 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
141 ft
1 main span
Daily traffic
1,978
2023 count
Owner
State
State Highway Agency

About this bridge

US302 over Sawyer River is a steel stringer/multi-beam or girder carrying US302 over Sawyer River in Carroll County, New Hampshire. It was built in 2013, so it is 12 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 1,978 vehicles a day, roughly 7% of them trucks, projected to reach 2,927 by 2043. The structure is 141 ft (43.1 m) long and 48 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

CarriesUS302
CrossesSawyer River
Location1.8 MI from Bartlett Tl
RouteU.S. Route 302
Coordinates44.08509, -71.3497
Functional classRural Principal Arterial - Other

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 protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating45.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length141 ft (43.1 m)
Longest span134 ft (40.7 m)
Deck width48 ft (14.5 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,978 (2023)
Projected traffic2,927 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 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 US302 over Sawyer River built?

It was built in 2013, making it 12 years old in 2025.

What condition is US302 over Sawyer River 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 August 2023.

How much traffic does US302 over Sawyer River carry?

About 1,978 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US302 over Sawyer River?

The structure is 141 ft (43.1 m) long with a longest span of 134 ft (40.7 m) and a deck 48 ft wide.

Who owns US302 over Sawyer River?

It is owned by the State Highway Agency.