US Bridges

US302 over Ellis River

Fair

Carroll County, New Hampshire · 0.20MI West of Jct. NH16 · Structure no. 001702090015000

Built
1998
27 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
1 main span
Daily traffic
6,063
2023 count
Owner
State
State Highway Agency

About this bridge

US302 over Ellis River is a steel stringer/multi-beam or girder carrying US302 over Ellis River in Carroll County, New Hampshire. It was built in 1998, so it is 27 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 6 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 6,063 vehicles a day, roughly 7% of them trucks, projected to reach 8,973 by 2043. The structure is 154 ft (46.9 m) long and 40 ft wide. If it were closed, the detour would be 18 mi (29 km).

Location

Open in Google Maps
CarriesUS302
CrossesEllis River
Location0.20MI West of Jct. NH16
RouteU.S. Route 302
CountyCarroll County
StateNew Hampshire
Coordinates44.11028, -71.18354
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating52.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length154 ft (46.9 m)
Longest span148 ft (45 m)
Deck width40 ft (12.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,063 (2023)
Projected traffic8,973 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed18 mi (29 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 Ellis River built?

It was built in 1998, making it 27 years old in 2025.

What condition is US302 over Ellis River 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 June 2024.

How much traffic does US302 over Ellis River carry?

About 6,063 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US302 over Ellis River?

The structure is 154 ft (46.9 m) long with a longest span of 148 ft (45 m) and a deck 40 ft wide.

Who owns US302 over Ellis River?

It is owned by the State Highway Agency.