US Bridges

Route 25 over Housatonic Railroad

Fair

Fairfield County, Connecticut · .25 MI East of Route 7 · Structure no. 05776

Built
1989
36 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
67 ft
1 main span
Daily traffic
5,100
2022 count
Owner
State
State Highway Agency

About this bridge

Route 25 over Housatonic Railroad is a steel stringer/multi-beam or girder carrying Route 25 over Housatonic Railroad in Fairfield County, Connecticut. It was built in 1989, so it is 36 years old, younger 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 5,100 vehicles a day, roughly 3% of them trucks, projected to reach 7,578 by 2042. The structure is 67 ft (20.4 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 25
CrossesHousatonic Railroad
Location.25 MI East of Route 7
RouteState Highway 25
Coordinates41.48109, -73.40645
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating103.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span61 ft (18.6 m)
Deck width53 ft (16.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2022)
Projected traffic7,578 by 2042
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 25 over Housatonic Railroad built?

It was built in 1989, making it 36 years old in 2025.

What condition is Route 25 over Housatonic Railroad 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 November 2023.

How much traffic does Route 25 over Housatonic Railroad carry?

About 5,100 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is Route 25 over Housatonic Railroad?

The structure is 67 ft (20.4 m) long with a longest span of 61 ft (18.6 m) and a deck 53 ft wide.

Who owns Route 25 over Housatonic Railroad?

It is owned by the State Highway Agency.