US Bridges

Congress Street #2 over Mill River

PoorPosted for load

Fairfield County, Connecticut · 0.5 MI W of Route 59 · Structure no. 04196

Built
1935
90 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
6,505
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Congress Street #2 over Mill River is a steel stringer/multi-beam or girder carrying Congress Street #2 over Mill River in Fairfield County, Connecticut. It was built in 1935, so it is 90 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 6,505 vehicles a day, roughly 4% of them trucks, projected to reach 9,666 by 2043. The structure is 35 ft (10.7 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCongress Street #2
CrossesMill River
Location0.5 MI W of Route 59
RouteCity Street 0
Coordinates41.21551, -73.26016
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19 US tons
Inventory rating14.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,505 (2023)
Projected traffic9,666 by 2043
Trucks4%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Congress Street #2 over Mill River built?

It was built in 1935, making it 90 years old in 2025.

What condition is Congress Street #2 over Mill River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does Congress Street #2 over Mill River carry?

About 6,505 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Congress Street #2 over Mill River?

The structure is 35 ft (10.7 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns Congress Street #2 over Mill River?

It is owned by the Town or Township Highway Agency.