US Bridges

North Mountain RD over I-84 EB and TR 816

Fair

Hartford County, Connecticut · Between Exits 35&36 I-84 · Structure no. 03314

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
124 ft
1 main span
Daily traffic
675
2023 count
Owner
State
State Highway Agency

About this bridge

North Mountain RD over I-84 EB and TR 816 is a steel stringer/multi-beam or girder carrying North Mountain RD over I-84 EB and TR 816 in Hartford County, Connecticut. It was built in 1969, so it is 56 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 675 vehicles a day, roughly 5% of them trucks, projected to reach 1,003 by 2043. The structure is 124 ft (37.8 m) long and 35 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesNorth Mountain RD
CrossesI-84 EB and TR 816
LocationBetween Exits 35&36 I-84
RouteCity Street 0
Coordinates41.67099, -72.82099
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating74.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span119 ft (36.3 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2023)
Projected traffic1,003 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed98.8 mi (159 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 North Mountain RD over I-84 EB and TR 816 built?

It was built in 1969, making it 56 years old in 2025.

What condition is North Mountain RD over I-84 EB and TR 816 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 September 2023.

How much traffic does North Mountain RD over I-84 EB and TR 816 carry?

About 675 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is North Mountain RD over I-84 EB and TR 816?

The structure is 124 ft (37.8 m) long with a longest span of 119 ft (36.3 m) and a deck 35 ft wide.

Who owns North Mountain RD over I-84 EB and TR 816?

It is owned by the State Highway Agency.