US Bridges

Surry Mt Access RD over Spillway Channel

Good

Cheshire County, New Hampshire · 9.65 KM North of Keene Nh · Structure no. CEPNEDNH3310003

Built
1962
63 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
232 ft
3 main spans
Daily traffic
25
2024 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

Surry Mt Access RD over Spillway Channel is a steel stringer/multi-beam or girder carrying Surry Mt Access RD over Spillway Channel in Cheshire County, New Hampshire. It was built in 1962, so it is 63 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 25 vehicles a day, roughly 2% of them trucks, projected to reach 25 by 2042. The structure is 232 ft (70.7 m) long and 15 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSurry Mt Access RD
CrossesSpillway Channel
Location9.65 KM North of Keene Nh
RouteFederal Lands Road 0
Coordinates42.99756, -72.31232
Functional classRural Local

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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating27.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length232 ft (70.7 m)
Longest span93 ft (28.4 m)
Deck width15 ft (4.5 m)
Roadway width12 ft (3.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic25 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesRelief for waterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2,000 (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Surry Mt Access RD over Spillway Channel built?

It was built in 1962, making it 63 years old in 2025.

What condition is Surry Mt Access RD over Spillway Channel 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 September 2024.

How much traffic does Surry Mt Access RD over Spillway Channel carry?

About 25 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Surry Mt Access RD over Spillway Channel?

The structure is 232 ft (70.7 m) long with a longest span of 93 ft (28.4 m) and a deck 15 ft wide.

Who owns Surry Mt Access RD over Spillway Channel?

It is owned by the Corps of Engineers (Civil).