US Bridges

US202 Nh 11 over Salmon Falls River

Fair

Strafford County, New Hampshire · Maine Sl · Structure no. 022200790014400

Built
1945
80 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
82 ft
1 main span
Daily traffic
13,084
2023 count
Owner
State
State Highway Agency

About this bridge

US202 Nh 11 over Salmon Falls River is a concrete culvert carrying US202 Nh 11 over Salmon Falls River in Strafford County, New Hampshire. It was built in 1945, so it is 80 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,084 vehicles a day, roughly 5% of them trucks, projected to reach 19,364 by 2043. The structure is 82 ft (25 m) long. If it were closed, the detour would be 34.8 mi (56 km).

CarriesUS202 Nh 11
CrossesSalmon Falls River
LocationMaine Sl
RouteU.S. Route 202
Coordinates43.33542, -70.94011
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating75 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length82 ft (25 m)
Longest span78 ft (23.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,084 (2023)
Projected traffic19,364 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US202 Nh 11 over Salmon Falls River built?

It was built in 1945, making it 80 years old in 2025.

What condition is US202 Nh 11 over Salmon Falls 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 July 2023.

How much traffic does US202 Nh 11 over Salmon Falls River carry?

About 13,084 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US202 Nh 11 over Salmon Falls River?

The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m).

Who owns US202 Nh 11 over Salmon Falls River?

It is owned by the State Highway Agency.