US Bridges

Harrison Road over INTERSTATE-91

Fair

New Haven County, Connecticut · .50 MI South of Route 150 · Structure no. 03127

Built
1965
60 years old, rebuilt 2017
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
282 ft
4 main spans
Daily traffic
4,100
2022 count
Owner
State
State Highway Agency

About this bridge

Harrison Road over INTERSTATE-91 is a steel stringer/multi-beam or girder carrying Harrison Road over INTERSTATE-91 in New Haven County, Connecticut. It was built in 1965 and reconstructed in 2017, so it is 60 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 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 4,100 vehicles a day, roughly 4% of them trucks, projected to reach 6,092 by 2042. The structure is 282 ft (86 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHarrison Road
CrossesINTERSTATE-91
Location.50 MI South of Route 150
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.42825, -72.8144
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length282 ft (86 m)
Longest span90 ft (27.4 m)
Deck width40 ft (12.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,100 (2022)
Projected traffic6,092 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 Harrison Road over INTERSTATE-91 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2017.

What condition is Harrison Road over INTERSTATE-91 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 June 2023.

How much traffic does Harrison Road over INTERSTATE-91 carry?

About 4,100 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Harrison Road over INTERSTATE-91?

The structure is 282 ft (86 m) long with a longest span of 90 ft (27.4 m) and a deck 40 ft wide.

Who owns Harrison Road over INTERSTATE-91?

It is owned by the State Highway Agency.