US Bridges

Williams Road over Muddy River

Good

New Haven County, Connecticut · 0.7 Mi. South of RTE 68 · Structure no. 06742

Built
2007
18 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
35 ft
4 main spans
Daily traffic
1,725
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Williams Road over Muddy River is a concrete culvert carrying Williams Road over Muddy River in New Haven County, Connecticut. It was built in 2007, so it is 18 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,725 vehicles a day, roughly 5% of them trucks, projected to reach 2,563 by 2041. The structure is 35 ft (10.7 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWilliams Road
CrossesMuddy River
Location0.7 Mi. South of RTE 68
RouteCity Street 0
Coordinates41.46523, -72.76802
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans4
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span11 ft (3.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,725 (2021)
Projected traffic2,563 by 2041
Trucks5%
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

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 Williams Road over Muddy River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Williams Road over Muddy River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Williams Road over Muddy River carry?

About 1,725 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Williams Road over Muddy River?

The structure is 35 ft (10.7 m) long with a longest span of 11 ft (3.4 m) and a deck 28 ft wide.

Who owns Williams Road over Muddy River?

It is owned by the Town or Township Highway Agency.