US Bridges

Route 117 over Indian Town Brook

Good

New London County, Connecticut · 150 Ft S of Route 2 · Structure no. 01325

Built
2001
24 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
3,000
2020 count
Owner
State
State Highway Agency

About this bridge

Route 117 over Indian Town Brook is a prestressed concrete box beam or girders - multiple carrying Route 117 over Indian Town Brook in New London County, Connecticut. It was built in 2001, so it is 24 years old, younger than the Connecticut average of 56.7 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 3,000 vehicles a day, roughly 6% of them trucks, projected to reach 4,458 by 2040. The structure is 67 ft (20.4 m) long and 68 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRoute 117
CrossesIndian Town Brook
Location150 Ft S of Route 2
RouteState Highway 117
Coordinates41.49871, -72.03247
Functional classUrban Other Principal Arterial

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.6 US tons
Inventory rating49.5 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span62 ft (18.9 m)
Deck width68 ft (20.6 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2020)
Projected traffic4,458 by 2040
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 117 over Indian Town Brook built?

It was built in 2001, making it 24 years old in 2025.

What condition is Route 117 over Indian Town Brook 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 March 2024.

How much traffic does Route 117 over Indian Town Brook carry?

About 3,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Route 117 over Indian Town Brook?

The structure is 67 ft (20.4 m) long with a longest span of 62 ft (18.9 m) and a deck 68 ft wide.

Who owns Route 117 over Indian Town Brook?

It is owned by the State Highway Agency.