US Bridges

Route 156 over Beaver Brook

Good

New London County, Connecticut · 1.9 MI E of Route 82 · Structure no. 05677

Built
1988
37 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
2,900
2018 count
Owner
State
State Highway Agency

About this bridge

Route 156 over Beaver Brook is a concrete culvert carrying Route 156 over Beaver Brook in New London County, Connecticut. It was built in 1988, so it is 37 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 2,900 vehicles a day, roughly 3% of them trucks, projected to reach 4,309 by 2038. The structure is 28 ft (8.5 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 156
CrossesBeaver Brook
Location1.9 MI E of Route 82
RouteState Highway 156
Coordinates41.40974, -72.33846
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width48 ft (14.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2018)
Projected traffic4,309 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 156 over Beaver Brook built?

It was built in 1988, making it 37 years old in 2025.

What condition is Route 156 over Beaver 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 June 2023.

How much traffic does Route 156 over Beaver Brook carry?

About 2,900 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Route 156 over Beaver Brook?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m) and a deck 48 ft wide.

Who owns Route 156 over Beaver Brook?

It is owned by the State Highway Agency.