US Bridges

Route 163 over Oakdale Brook

Good

New London County, Connecticut · 3.3 MI N of I-395 · Structure no. 02729

Built
2014
11 years old
Condition
Good
inspected January 2025
Type
Frame
Concrete
Length
20 ft
1 main span
Daily traffic
1,700
2020 count
Owner
State
State Highway Agency

About this bridge

Route 163 over Oakdale Brook is a concrete frame carrying Route 163 over Oakdale Brook in New London County, Connecticut. It was built in 2014, so it is 11 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 1,700 vehicles a day, roughly 3% of them trucks, projected to reach 2,526 by 2040. The structure is 20 ft (6.1 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 163
CrossesOakdale Brook
Location3.3 MI N of I-395
RouteState Highway 163
Coordinates41.46595, -72.15845
Functional classUrban Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length20 ft (6.1 m)
Longest span20 ft (6.1 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2020)
Projected traffic2,526 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 163 over Oakdale Brook built?

It was built in 2014, making it 11 years old in 2025.

What condition is Route 163 over Oakdale 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 January 2025.

How much traffic does Route 163 over Oakdale Brook carry?

About 1,700 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Route 163 over Oakdale Brook?

The structure is 20 ft (6.1 m) long with a longest span of 20 ft (6.1 m) and a deck 36 ft wide.

Who owns Route 163 over Oakdale Brook?

It is owned by the State Highway Agency.