US Bridges

Route 174 E. Main over Route 9 Northbound

Fair

Hartford County, Connecticut · .2 MI East of Route 71 · Structure no. 04298

Built
1978
47 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
108 ft
1 main span
Daily traffic
11,200
2021 count
Owner
State
State Highway Agency

About this bridge

Route 174 E. Main over Route 9 Northbound is a steel stringer/multi-beam or girder carrying Route 174 E. Main over Route 9 Northbound in Hartford County, Connecticut. It was built in 1978, so it is 47 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 11,200 vehicles a day, roughly 6% of them trucks, projected to reach 16,642 by 2041. The structure is 108 ft (32.9 m) long and 79 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 174 E. Main
CrossesRoute 9 Northbound
Location.2 MI East of Route 71
RouteState Highway 174
Coordinates41.67122, -72.77272
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating36.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span103 ft (31.4 m)
Deck width79 ft (24.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,200 (2021)
Projected traffic16,642 by 2041
Trucks6%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 174 E. Main over Route 9 Northbound built?

It was built in 1978, making it 47 years old in 2025.

What condition is Route 174 E. Main over Route 9 Northbound 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 March 2023.

How much traffic does Route 174 E. Main over Route 9 Northbound carry?

About 11,200 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 174 E. Main over Route 9 Northbound?

The structure is 108 ft (32.9 m) long with a longest span of 103 ft (31.4 m) and a deck 79 ft wide.

Who owns Route 174 E. Main over Route 9 Northbound?

It is owned by the State Highway Agency.