US Bridges

Depot Street over Relief

Good

Hillsborough County, New Hampshire · 0.07MI Bennington Tl · Structure no. 000901830007100

Built
2013
12 years old
Condition
Good
inspected June 2024
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,065
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Depot Street over Relief is a prestressed concrete slab carrying Depot Street over Relief in Hillsborough County, New Hampshire. It was built in 2013, so it is 12 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,065 vehicles a day, roughly 4% of them trucks, projected to reach 1,576 by 2043. The structure is 40 ft (12.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDepot Street
CrossesRelief
Location0.07MI Bennington Tl
Coordinates43.02566, -71.92984
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span37 ft (11.3 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,065 (2023)
Projected traffic1,576 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
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 Depot Street over Relief built?

It was built in 2013, making it 12 years old in 2025.

What condition is Depot Street over Relief 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 June 2024.

How much traffic does Depot Street over Relief carry?

About 1,065 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Depot Street over Relief?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.3 m) and a deck 28 ft wide.

Who owns Depot Street over Relief?

It is owned by the City or Municipal Highway Agency.