US Bridges

Route 68 over Muddy River

Fair

New Haven County, Connecticut · 0.3 MI E of INTERSTATE-91 · Structure no. 06120

Built
1992
33 years old
Condition
Fair
inspected January 2023
Type
Arch - Deck
Concrete
Length
44 ft
1 main span
Daily traffic
14,700
2019 count
Owner
State
State Highway Agency

About this bridge

Route 68 over Muddy River is a concrete arch - deck carrying Route 68 over Muddy River in New Haven County, Connecticut. It was built in 1992, so it is 33 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 14,700 vehicles a day, roughly 3% of them trucks, projected to reach 21,843 by 2039. The structure is 44 ft (13.4 m) long and 232 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 68
CrossesMuddy River
Location0.3 MI E of INTERSTATE-91
RouteState Highway 68
CountyNew Haven County
StateConnecticut
Coordinates41.47698, -72.76531
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width232 ft (70.7 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,700 (2019)
Projected traffic21,843 by 2039
Trucks3%
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

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 68 over Muddy River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Route 68 over Muddy 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 January 2023.

How much traffic does Route 68 over Muddy River carry?

About 14,700 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Route 68 over Muddy River?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 232 ft wide.

Who owns Route 68 over Muddy River?

It is owned by the State Highway Agency.