US Bridges

Route 263 over Mad River

Fair

Litchfield County, Connecticut · Junction of Rts 44 + 263 · Structure no. 01574

Built
1957
68 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
2,600
2020 count
Owner
State
State Highway Agency

About this bridge

Route 263 over Mad River is a steel stringer/multi-beam or girder carrying Route 263 over Mad River in Litchfield County, Connecticut. It was built in 1957, so it is 68 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 2,600 vehicles a day, roughly 2% of them trucks, projected to reach 3,863 by 2040. The structure is 78 ft (23.8 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 263
CrossesMad River
LocationJunction of Rts 44 + 263
RouteState Highway 263
Coordinates41.92417, -73.07658
Functional classUrban Minor Arterial

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 protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.6 US tons
Inventory rating48.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span71 ft (21.6 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2020)
Projected traffic3,863 by 2040
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

OwnerState Highway Agency
Maintained byState 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 Route 263 over Mad River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Route 263 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 2023.

How much traffic does Route 263 over Mad River carry?

About 2,600 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Route 263 over Mad River?

The structure is 78 ft (23.8 m) long with a longest span of 71 ft (21.6 m) and a deck 42 ft wide.

Who owns Route 263 over Mad River?

It is owned by the State Highway Agency.