US Bridges

Howe Hill Road over I-89

Fair

Sullivan County, New Hampshire · 1.4 MI Springfield Tl · Structure no. 010001250007000

Built
1967
58 years old, rebuilt 2002
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
342 ft
6 main spans
Daily traffic
95
2023 count
Owner
State
State Highway Agency

About this bridge

Howe Hill Road over I-89 is a steel continuous stringer/multi-beam or girder carrying Howe Hill Road over I-89 in Sullivan County, New Hampshire. It was built in 1967 and reconstructed in 2002, so it is 58 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 95 vehicles a day, roughly 4% of them trucks, projected to reach 140 by 2043. The structure is 342 ft (104.2 m) long and 35 ft wide.

CarriesHowe Hill Road
CrossesI-89
Location1.4 MI Springfield Tl
Coordinates43.49024, -72.12501
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.1 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length342 ft (104.2 m)
Longest span60 ft (18.4 m)
Deck width35 ft (10.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2023)
Projected traffic140 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Howe Hill Road over I-89 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2002.

What condition is Howe Hill Road over I-89 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 April 2023.

How much traffic does Howe Hill Road over I-89 carry?

About 95 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Howe Hill Road over I-89?

The structure is 342 ft (104.2 m) long with a longest span of 60 ft (18.4 m) and a deck 35 ft wide.

Who owns Howe Hill Road over I-89?

It is owned by the State Highway Agency.