US Bridges

Route 74 over Skungamaug River

Good

Tolland County, Connecticut · 1.8 Miles West of I-84 · Structure no. 01120

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

Route 74 over Skungamaug River is a prestressed concrete tee beam carrying Route 74 over Skungamaug River in Tolland County, Connecticut. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,300 vehicles a day, roughly 10% of them trucks, projected to reach 3,418 by 2043. The structure is 62 ft (19 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRoute 74
CrossesSkungamaug River
Location1.8 Miles West of I-84
RouteState Highway 74
Coordinates41.88288, -72.34574
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length62 ft (19 m)
Longest span61 ft (18.6 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic3,418 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 74 over Skungamaug River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Route 74 over Skungamaug 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 October 2024.

How much traffic does Route 74 over Skungamaug River carry?

About 2,300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Route 74 over Skungamaug River?

The structure is 62 ft (19 m) long with a longest span of 61 ft (18.6 m) and a deck 38 ft wide.

Who owns Route 74 over Skungamaug River?

It is owned by the State Highway Agency.