US Bridges

East Street over Mill Brook

Fair

Hartford County, Connecticut · 0.1 Mile East of Route 75 · Structure no. 04135

Built
1953
72 years old
Condition
Fair
inspected May 2023
Type
Arch - Deck
Steel
Length
23 ft
1 main span
Daily traffic
700
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

East Street over Mill Brook is a steel arch - deck carrying East Street over Mill Brook in Hartford County, Connecticut. It was built in 1953, so it is 72 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 700 vehicles a day, roughly 2% of them trucks, projected to reach 1,040 by 2039. The structure is 23 ft (7 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEast Street
CrossesMill Brook
Location0.1 Mile East of Route 75
RouteCity Street 0
Coordinates41.85684, -72.64897
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating83.9 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width33 ft (10.1 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2019)
Projected traffic1,040 by 2039
Trucks2%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
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 East Street over Mill Brook built?

It was built in 1953, making it 72 years old in 2025.

What condition is East Street over Mill 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 May 2023.

How much traffic does East Street over Mill Brook carry?

About 700 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is East Street over Mill Brook?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 33 ft wide.

Who owns East Street over Mill Brook?

It is owned by the Town or Township Highway Agency.