US Bridges

US202 over Mountain Brook

Fair

Cheshire County, New Hampshire · 1.0 MI to Rindge Tl · Structure no. 013401480006800

Built
1939
86 years old
Condition
Fair
inspected June 2023
Type
Arch - Deck
Masonry
Length
104 ft
1 main span
Daily traffic
8,225
2023 count
Owner
State
State Highway Agency

About this bridge

US202 over Mountain Brook is a masonry arch - deck carrying US202 over Mountain Brook in Cheshire County, New Hampshire. It was built in 1939, so it is 86 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.

It carries about 8,225 vehicles a day, roughly 7% of them trucks, projected to reach 12,173 by 2043. The structure is 104 ft (31.7 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS202
CrossesMountain Brook
Location1.0 MI to Rindge Tl
RouteU.S. Route 202
Coordinates42.80316, -72.02844
Functional classRural Minor 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
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 protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45 US tons
Inventory rating27 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length104 ft (31.7 m)
Longest span30 ft (9.1 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,225 (2023)
Projected traffic12,173 by 2043
Trucks7%
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

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 over Mountain Brook built?

It was built in 1939, making it 86 years old in 2025.

What condition is US202 over Mountain Brook 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 June 2023.

How much traffic does US202 over Mountain Brook carry?

About 8,225 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US202 over Mountain Brook?

The structure is 104 ft (31.7 m) long with a longest span of 30 ft (9.1 m) and a deck 29 ft wide.

Who owns US202 over Mountain Brook?

It is owned by the State Highway Agency.