US Bridges

Joppa Road West over Warner River

FairPosted for load

Merrimack County, New Hampshire · .08 MI from Nh RTE 103 · Structure no. 026301910012200

Built
1853
172 years old, rebuilt 1963
Condition
Fair
inspected October 2024
Type
Truss - Thru
Wood or Timber
Length
76 ft
1 main span
Daily traffic
100
2013 count
Owner
City
City or Municipal Highway Agency

About this bridge

Joppa Road West over Warner River is a wood or timber truss - thru carrying Joppa Road West over Warner River in Merrimack County, New Hampshire. It was built in 1853 and reconstructed in 1963, so it is 172 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 4% of them trucks, projected to reach 148 by 2033. The structure is 76 ft (23.2 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesJoppa Road West
CrossesWarner River
Location.08 MI from Nh RTE 103
Coordinates43.27683, -71.81134
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating7.7 US tons
Inventory rating5.2 US tons

Structure

Structure typeTruss - Thru
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length76 ft (23.2 m)
Longest span72 ft (21.9 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deck11 ft (3.3 m)

Traffic and service

Average daily traffic100 (2013)
Projected traffic148 by 2033
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusEligible 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 Joppa Road West over Warner River built?

It was built in 1853, making it 172 years old in 2025. It was reconstructed in 1963.

What condition is Joppa Road West over Warner River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Joppa Road West over Warner River carry?

About 100 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is Joppa Road West over Warner River?

The structure is 76 ft (23.2 m) long with a longest span of 72 ft (21.9 m) and a deck 14 ft wide.

Who owns Joppa Road West over Warner River?

It is owned by the City or Municipal Highway Agency.