US Bridges

Route 49 over Shunock River

Fair

New London County, Connecticut · 0.6 MI N of Route 2 · Structure no. 01011

Built
1954
71 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
5,200
2023 count
Owner
State
State Highway Agency

About this bridge

Route 49 over Shunock River is a concrete slab carrying Route 49 over Shunock River in New London County, Connecticut. It was built in 1954, so it is 71 years old, older than the Connecticut average of 56.7 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 5,200 vehicles a day, roughly 3% of them trucks, projected to reach 7,727 by 2043. The structure is 27 ft (8.2 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 49
CrossesShunock River
Location0.6 MI N of Route 2
RouteState Highway 49
Coordinates41.41019, -71.84483
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span24 ft (7.3 m)
Deck width38 ft (11.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2023)
Projected traffic7,727 by 2043
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 49 over Shunock River built?

It was built in 1954, making it 71 years old in 2025.

What condition is Route 49 over Shunock River 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 September 2024.

How much traffic does Route 49 over Shunock River carry?

About 5,200 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Route 49 over Shunock River?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.3 m) and a deck 38 ft wide.

Who owns Route 49 over Shunock River?

It is owned by the State Highway Agency.