US Bridges

Munro Street over Mad River

Fair

Litchfield County, Connecticut · At the Junction of RTE 44 · Structure no. 05128

Built
1956
69 years old, rebuilt 2001
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
840
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Munro Street over Mad River is a prestressed concrete box beam or girders - multiple carrying Munro Street over Mad River in Litchfield County, Connecticut. It was built in 1956 and reconstructed in 2001, so it is 69 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 840 vehicles a day, roughly 2% of them trucks, projected to reach 1,248 by 2044. The structure is 77 ft (23.5 m) long and 35 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMunro Street
CrossesMad River
LocationAt the Junction of RTE 44
RouteCity Street 0
Coordinates41.92608, -73.07694
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating104.8 US tons
Inventory rating62.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span72 ft (21.9 m)
Deck width35 ft (10.6 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic840 (2024)
Projected traffic1,248 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-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 Munro Street over Mad River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2001.

What condition is Munro Street over Mad River 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 2024.

How much traffic does Munro Street over Mad River carry?

About 840 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Munro Street over Mad River?

The structure is 77 ft (23.5 m) long with a longest span of 72 ft (21.9 m) and a deck 35 ft wide.

Who owns Munro Street over Mad River?

It is owned by the Town or Township Highway Agency.