US Bridges

NH116 over Reel Brook

Good

Grafton County, New Hampshire · 3.4 MI S Franconia T.L. · Structure no. 007201240010900

Built
1928
97 years old, rebuilt 2013
Condition
Good
inspected April 2024
Type
Slab
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
360
2023 count
Owner
State
State Highway Agency

About this bridge

NH116 over Reel Brook is a concrete continuous slab carrying NH116 over Reel Brook in Grafton County, New Hampshire. It was built in 1928 and reconstructed in 2013, so it is 97 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 360 vehicles a day, roughly 10% of them trucks, projected to reach 532 by 2043. The structure is 33 ft (10.1 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

CarriesNH116
CrossesReel Brook
Location3.4 MI S Franconia T.L.
RouteState Highway 116
Coordinates44.13125, -71.78873
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating66.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic360 (2023)
Projected traffic532 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 NH116 over Reel Brook built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2013.

What condition is NH116 over Reel Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does NH116 over Reel Brook carry?

About 360 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NH116 over Reel Brook?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 31 ft wide.

Who owns NH116 over Reel Brook?

It is owned by the State Highway Agency.