US Bridges

Ssr 434 over Brook

Fair

Middlesex County, Connecticut · 6.7 MI N of Route 82 · Structure no. 01603

Built
1937
88 years old, rebuilt 1988
Condition
Fair
inspected December 2023
Type
Arch - Deck
Masonry
Length
24 ft
1 main span
Daily traffic
500
2021 count
Owner
State
State Highway Agency

About this bridge

Ssr 434 over Brook is a masonry arch - deck carrying Ssr 434 over Brook in Middlesex County, Connecticut. It was built in 1937 and reconstructed in 1988, so it is 88 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 5 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 500 vehicles a day, roughly 2% of them trucks, projected to reach 743 by 2041. The structure is 24 ft (7.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSsr 434
CrossesBrook
Location6.7 MI N of Route 82
RouteState Highway 434
CountyMiddlesex County
StateConnecticut
Coordinates41.48389, -72.34236
Functional classRural Major 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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckOther
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2021)
Projected traffic743 by 2041
Trucks2%
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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ssr 434 over Brook built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1988.

What condition is Ssr 434 over Brook 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 December 2023.

How much traffic does Ssr 434 over Brook carry?

About 500 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Ssr 434 over Brook?

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

Who owns Ssr 434 over Brook?

It is owned by the State Highway Agency.