US Bridges

Sandown Road over Exeter River

Good

Rockingham County, New Hampshire · 130FT RTE 107 · Structure no. 009000960009500

Built
1998
27 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
1,906
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sandown Road over Exeter River is a prestressed concrete box beam or girders - multiple carrying Sandown Road over Exeter River in Rockingham 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 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 1,906 vehicles a day, roughly 4% of them trucks, projected to reach 2,820 by 2043. The structure is 48 ft (14.6 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSandown Road
CrossesExeter River
Location130FT RTE 107
Coordinates42.99039, -71.14222
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating95 US tons
Inventory rating56 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length48 ft (14.6 m)
Longest span44 ft (13.3 m)
Deck width31 ft (9.6 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,906 (2023)
Projected traffic2,820 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Sandown Road over Exeter River built?

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

What condition is Sandown Road 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 October 2024.

How much traffic does Sandown Road over Exeter River carry?

About 1,906 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Sandown Road over Exeter River?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.3 m) and a deck 31 ft wide.

Who owns Sandown Road over Exeter River?

It is owned by the City or Municipal Highway Agency.