US Bridges

US202 over Mill Tail Race

Fair

Cheshire County, New Hampshire · 1.7 MI to Peterboro Tl · Structure no. 013401750008900

Built
1937
88 years old, rebuilt 1956
Condition
Fair
inspected June 2023
Type
Frame
Concrete
Length
25 ft
1 main span
Daily traffic
7,405
2023 count
Owner
State
State Highway Agency

About this bridge

US202 over Mill Tail Race is a concrete frame carrying US202 over Mill Tail Race in Cheshire County, New Hampshire. It was built in 1937 and reconstructed in 1956, so it is 88 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 7,405 vehicles a day, roughly 7% of them trucks, projected to reach 10,959 by 2043. The structure is 25 ft (7.6 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesUS202
CrossesMill Tail Race
Location1.7 MI to Peterboro Tl
RouteU.S. Route 202
Coordinates42.81737, -72.00399
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.5 US tons
Inventory rating20 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 m)
Deck width48 ft (14.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,405 (2023)
Projected traffic10,959 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Mill Tail Race built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1956.

What condition is US202 over Mill Tail Race 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 Mill Tail Race carry?

About 7,405 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US202 over Mill Tail Race?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 48 ft wide.

Who owns US202 over Mill Tail Race?

It is owned by the State Highway Agency.