US Bridges

US Route 1 over Stream

Fair

New London County, Connecticut · 0.9 MI N of US Route 1A · Structure no. 01899

Built
1939
86 years old, rebuilt 1998
Condition
Fair
inspected April 2024
Type
Slab
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
5,700
2020 count
Owner
State
State Highway Agency

About this bridge

US Route 1 over Stream is a prestressed concrete slab carrying US Route 1 over Stream in New London County, Connecticut. It was built in 1939 and reconstructed in 1998, so it is 86 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 5,700 vehicles a day, roughly 4% of them trucks, projected to reach 8,470 by 2040. The structure is 42 ft (12.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS Route 1
CrossesStream
Location0.9 MI N of US Route 1A
RouteU.S. Route 1
Coordinates41.35009, -71.90866
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span37 ft (11.3 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2020)
Projected traffic8,470 by 2040
Trucks4%
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 US Route 1 over Stream built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1998.

What condition is US Route 1 over Stream 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 April 2024.

How much traffic does US Route 1 over Stream carry?

About 5,700 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is US Route 1 over Stream?

The structure is 42 ft (12.8 m) long with a longest span of 37 ft (11.3 m) and a deck 40 ft wide.

Who owns US Route 1 over Stream?

It is owned by the State Highway Agency.