US Bridges

Sandown Road over Exeter River

Good

Rockingham County, New Hampshire · .1 MI East Sandown Tl · Structure no. 005900470012600

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
22 ft
2 main spans
Daily traffic
208
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sandown Road over Exeter River is a concrete slab carrying Sandown Road over Exeter River in Rockingham County, New Hampshire. It was built in 2010, so it is 15 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 208 vehicles a day, roughly 4% of them trucks, projected to reach 307 by 2043. The structure is 22 ft (6.7 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSandown Road
CrossesExeter River
Location.1 MI East Sandown Tl
Coordinates42.95733, -71.14767
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.2 US tons
Inventory rating39.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic208 (2023)
Projected traffic307 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 2010, making it 15 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 2023.

How much traffic does Sandown Road over Exeter River carry?

About 208 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Sandown Road over Exeter River?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns Sandown Road over Exeter River?

It is owned by the City or Municipal Highway Agency.