US Bridges

Whiteface Interval over Whiteface River

Fair

Carroll County, New Hampshire · 0.4 MI FR Bennett ST · Structure no. 023301920016700

Built
1950
75 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
79
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Whiteface Interval over Whiteface River is a prestressed concrete tee beam carrying Whiteface Interval over Whiteface River in Carroll County, New Hampshire. It was built in 1950, so it is 75 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 79 vehicles a day, roughly 4% of them trucks, projected to reach 116 by 2043. The structure is 40 ft (12.2 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesWhiteface Interval
CrossesWhiteface River
Location0.4 MI FR Bennett ST
Coordinates43.8864, -71.40422
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating17 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2023)
Projected traffic116 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Whiteface Interval over Whiteface River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Whiteface Interval over Whiteface 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 September 2024.

How much traffic does Whiteface Interval over Whiteface River carry?

About 79 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Whiteface Interval over Whiteface River?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 18 ft wide.

Who owns Whiteface Interval over Whiteface River?

It is owned by the City or Municipal Highway Agency.