US Bridges

Route 156 over Black Hall River

Fair

New London County, Connecticut · 2.7 MI E of I-95 · Structure no. 01395

Built
1936
89 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
5,400
2021 count
Owner
State
State Highway Agency

About this bridge

Route 156 over Black Hall River is a concrete tee beam carrying Route 156 over Black Hall River in New London County, Connecticut. It was built in 1936, so it is 89 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 5,400 vehicles a day, roughly 6% of them trucks, projected to reach 8,024 by 2041. The structure is 34 ft (10.4 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 156
CrossesBlack Hall River
Location2.7 MI E of I-95
RouteState Highway 156
Coordinates41.2896, -72.31222
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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.3 US tons
Inventory rating43.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,400 (2021)
Projected traffic8,024 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Black Hall River built?

It was built in 1936, making it 89 years old in 2025.

What condition is Route 156 over Black Hall 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 March 2024.

How much traffic does Route 156 over Black Hall River carry?

About 5,400 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 156 over Black Hall River?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 35 ft wide.

Who owns Route 156 over Black Hall River?

It is owned by the State Highway Agency.