US Bridges

Miry Brook Road over Miry Brook

Fair

Fairfield County, Connecticut · 50 East of Pine Mtn RD · Structure no. 03701

Built
1955
70 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
5,580
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Miry Brook Road over Miry Brook is a steel stringer/multi-beam or girder carrying Miry Brook Road over Miry Brook in Fairfield County, Connecticut. It was built in 1955, so it is 70 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 5,580 vehicles a day, roughly 5% of them trucks, projected to reach 8,291 by 2044. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMiry Brook Road
CrossesMiry Brook
Location50 East of Pine Mtn RD
RouteCity Street 0
Coordinates41.36366, -73.50084
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating72 US tons
Inventory rating43 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span29 ft (8.8 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,580 (2024)
Projected traffic8,291 by 2044
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Miry Brook Road over Miry Brook built?

It was built in 1955, making it 70 years old in 2025.

What condition is Miry Brook Road over Miry 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 April 2024.

How much traffic does Miry Brook Road over Miry Brook carry?

About 5,580 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Miry Brook Road over Miry Brook?

The structure is 34 ft (10.4 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns Miry Brook Road over Miry Brook?

It is owned by the City or Municipal Highway Agency.