US Bridges

I-89 NB over Georges Mills Road

Good

Sullivan County, New Hampshire · 0.5 from New London T.L. · Structure no. 024701240017900

Built
1967
58 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
9,237
2023 count
Owner
State
State Highway Agency

About this bridge

I-89 NB over Georges Mills Road is a prestressed concrete stringer/multi-beam or girder carrying I-89 NB over Georges Mills Road in Sullivan County, New Hampshire. It was built in 1967, 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 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 9,237 vehicles a day, roughly 9% of them trucks, projected to reach 13,670 by 2043. The structure is 90 ft (27.4 m) long and 44 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-89 NB
CrossesGeorges Mills Road
Location0.5 from New London T.L.
RouteInterstate 89
Coordinates43.44176, -72.06384
Functional classRural Principal Arterial - Interstate

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.3 US tons
Inventory rating34.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length90 ft (27.4 m)
Longest span84 ft (25.6 m)
Deck width44 ft (13.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,237 (2023)
Projected traffic13,670 by 2043
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-89 NB over Georges Mills Road built?

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

What condition is I-89 NB over Georges Mills Road 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 2023.

How much traffic does I-89 NB over Georges Mills Road carry?

About 9,237 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-89 NB over Georges Mills Road?

The structure is 90 ft (27.4 m) long with a longest span of 84 ft (25.6 m) and a deck 44 ft wide.

Who owns I-89 NB over Georges Mills Road?

It is owned by the State Highway Agency.