US Bridges

Temple Road over Blood Brook

PoorPosted for load

Hillsborough County, New Hampshire · 0.02 MI SW JCT NH101 · Structure no. 027700630010500

Built
1901
124 years old
Condition
Poor
inspected November 2024
Type
Arch - Deck
Masonry
Length
49 ft
2 main spans
Daily traffic
1,167
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Temple Road over Blood Brook is a masonry arch - deck carrying Temple Road over Blood Brook in Hillsborough County, New Hampshire. It was built in 1901, so it is 124 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,167 vehicles a day, roughly 4% of them trucks, projected to reach 1,727 by 2043. The structure is 49 ft (14.9 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTemple Road
CrossesBlood Brook
Location0.02 MI SW JCT NH101
RouteState Highway 0
Coordinates42.83049, -71.80567
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 16 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating18 US tons
Inventory rating10.8 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span19 ft (5.8 m)
Deck width23 ft (7 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,167 (2023)
Projected traffic1,727 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Temple Road over Blood Brook built?

It was built in 1901, making it 124 years old in 2025.

What condition is Temple Road over Blood Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Temple Road over Blood Brook carry?

About 1,167 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Temple Road over Blood Brook?

The structure is 49 ft (14.9 m) long with a longest span of 19 ft (5.8 m) and a deck 23 ft wide.

Who owns Temple Road over Blood Brook?

It is owned by the City or Municipal Highway Agency.