US Bridges

NH107 over Exeter River

Good

Rockingham County, New Hampshire · Fremont-Brentwood Tl · Structure no. 002900570004900

Built
1988
37 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
4,344
2023 count
Owner
State
State Highway Agency

About this bridge

NH107 over Exeter River is a steel stringer/multi-beam or girder carrying NH107 over Exeter River in Rockingham County, New Hampshire. It was built in 1988, so it is 37 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 4,344 vehicles a day, roughly 4% of them trucks, projected to reach 6,429 by 2043. The structure is 44 ft (13.4 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNH107
CrossesExeter River
LocationFremont-Brentwood Tl
RouteState Highway 107
Coordinates42.96618, -71.08688
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99 US tons
Inventory rating67.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width47 ft (14.2 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,344 (2023)
Projected traffic6,429 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 NH107 over Exeter River built?

It was built in 1988, making it 37 years old in 2025.

What condition is NH107 over Exeter 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 July 2024.

How much traffic does NH107 over Exeter River carry?

About 4,344 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is NH107 over Exeter River?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 47 ft wide.

Who owns NH107 over Exeter River?

It is owned by the State Highway Agency.