US Bridges

Nh 26 over Clear Stream

Fair

Coos County, New Hampshire · 0.2 MI NW Millsfield Tl · Structure no. 006362360012200

Built
1951
74 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
981
2023 count
Owner
State
State Highway Agency

About this bridge

Nh 26 over Clear Stream is a concrete slab carrying Nh 26 over Clear Stream in Coos County, New Hampshire. It was built in 1951, so it is 74 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 981 vehicles a day, roughly 4% of them trucks, projected to reach 1,451 by 2043. The structure is 26 ft (7.9 m) long and 35 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

CarriesNh 26
CrossesClear Stream
Location0.2 MI NW Millsfield Tl
RouteState Highway 26
Coordinates44.82888, -71.25695
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic981 (2023)
Projected traffic1,451 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed55.9 mi (90 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 Nh 26 over Clear Stream built?

It was built in 1951, making it 74 years old in 2025.

What condition is Nh 26 over Clear Stream 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 April 2024.

How much traffic does Nh 26 over Clear Stream carry?

About 981 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Nh 26 over Clear Stream?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 35 ft wide.

Who owns Nh 26 over Clear Stream?

It is owned by the State Highway Agency.