US Bridges

Bungy Road over Mohawk River

Good

Coos County, New Hampshire · 0.01 MI S JCT Nh 26 · Structure no. 005001350006800

Built
1977
48 years old
Condition
Good
inspected June 2023
Type
Frame
Concrete
Length
55 ft
1 main span
Daily traffic
270
2023 count
Owner
State
State Highway Agency

About this bridge

Bungy Road over Mohawk River is a concrete frame carrying Bungy Road over Mohawk River in Coos County, New Hampshire. It was built in 1977, so it is 48 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 270 vehicles a day, projected to reach 399 by 2043. The structure is 55 ft (16.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesBungy Road
CrossesMohawk River
Location0.01 MI S JCT Nh 26
RouteState Highway 0
CountyCoos County
StateNew Hampshire
Coordinates44.87446, -71.41072
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic270 (2023)
Projected traffic399 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bungy Road over Mohawk River built?

It was built in 1977, making it 48 years old in 2025.

What condition is Bungy Road over Mohawk 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 June 2023.

How much traffic does Bungy Road over Mohawk River carry?

About 270 vehicles per day (2023 count).

How long is Bungy Road over Mohawk River?

The structure is 55 ft (16.8 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns Bungy Road over Mohawk River?

It is owned by the State Highway Agency.