US Bridges

Route 15 over Route 137

FairPosted for load

Fairfield County, Connecticut · Route 15 Exit 35 · Structure no. 00706

Built
1937
88 years old, rebuilt 1994
Condition
Fair
inspected April 2023
Type
Frame
Steel
Length
85 ft
1 main span
Daily traffic
66,520
2019 count
Owner
State
State Highway Agency

About this bridge

Route 15 over Route 137 is a steel frame carrying Route 15 over Route 137 in Fairfield County, Connecticut. It was built in 1937 and reconstructed in 1994, so it is 88 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 66,520 vehicles a day, roughly 8% of them trucks, projected to reach 98,842 by 2039. The structure is 85 ft (25.9 m) long and 65 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesRoute 15
CrossesRoute 137
LocationRoute 15 Exit 35
RouteState Highway 15
CountyFairfield County
StateConnecticut
Coordinates41.1119, -73.54651
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeFrame
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length85 ft (25.9 m)
Longest span67 ft (20.5 m)
Deck width65 ft (19.8 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic66,520 (2019)
Projected traffic98,842 by 2039
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 15 over Route 137 built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1994.

What condition is Route 15 over Route 137 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 2023.

How much traffic does Route 15 over Route 137 carry?

About 66,520 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Route 15 over Route 137?

The structure is 85 ft (25.9 m) long with a longest span of 67 ft (20.5 m) and a deck 65 ft wide.

Who owns Route 15 over Route 137?

It is owned by the State Highway Agency.