US Bridges

Hanson Road over Exeter River

Poor

Rockingham County, New Hampshire · 75FT. NH102 · Structure no. 004401700013500

Built
1932
93 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
1,854
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hanson Road over Exeter River is a steel stringer/multi-beam or girder carrying Hanson Road over Exeter River in Rockingham County, New Hampshire. It was built in 1932, so it is 93 years old, older than the New Hampshire average of 56.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,854 vehicles a day, roughly 4% of them trucks, projected to reach 2,743 by 2043. The structure is 31 ft (9.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesHanson Road
CrossesExeter River
Location75FT. NH102
Coordinates42.98971, -71.19504
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 16 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating25.2 US tons
Inventory rating18 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span26 ft (7.9 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,854 (2023)
Projected traffic2,743 by 2043
Trucks4%
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

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 Hanson Road over Exeter River built?

It was built in 1932, making it 93 years old in 2025.

What condition is Hanson Road over Exeter River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Hanson Road over Exeter River carry?

About 1,854 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Hanson Road over Exeter River?

The structure is 31 ft (9.4 m) long with a longest span of 26 ft (7.9 m) and a deck 28 ft wide.

Who owns Hanson Road over Exeter River?

It is owned by the City or Municipal Highway Agency.