US Bridges

Haigh Road over Exeter River

Good

Rockingham County, New Hampshire · .4 MI from Rt 111-A · Structure no. 002901070007500

Built
1979
46 years old
Condition
Good
inspected October 2024
Type
Frame
Concrete
Length
45 ft
1 main span
Daily traffic
607
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Haigh Road over Exeter River is a concrete frame carrying Haigh Road over Exeter River in Rockingham County, New Hampshire. It was built in 1979, so it is 46 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 607 vehicles a day, roughly 4% of them trucks, projected to reach 898 by 2043. The structure is 45 ft (13.7 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesHaigh Road
CrossesExeter River
Location.4 MI from Rt 111-A
CountyRockingham County
StateNew Hampshire
Coordinates42.9848, -71.03829
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating50 US tons
Inventory rating36 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span40 ft (12.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic607 (2023)
Projected traffic898 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

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

It was built in 1979, making it 46 years old in 2025.

What condition is Haigh 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 Haigh Road over Exeter River carry?

About 607 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Haigh Road over Exeter River?

The structure is 45 ft (13.7 m) long with a longest span of 40 ft (12.2 m) and a deck 32 ft wide.

Who owns Haigh Road over Exeter River?

It is owned by the City or Municipal Highway Agency.