US Bridges

Marion Avenue over Eight Mile River

Good

Hartford County, Connecticut · 475 Ft E of I-84 · Structure no. 04336

Built
1979
46 years old, rebuilt 2004
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
38 ft
2 main spans
Daily traffic
12,400
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Marion Avenue over Eight Mile River is a concrete continuous culvert carrying Marion Avenue over Eight Mile River in Hartford County, Connecticut. It was built in 1979 and reconstructed in 2004, so it is 46 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 12,400 vehicles a day, roughly 3% of them trucks, projected to reach 18,425 by 2044. The structure is 38 ft (11.6 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMarion Avenue
CrossesEight Mile River
Location475 Ft E of I-84
RouteCity Street 0
Coordinates41.58806, -72.8978
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75.9 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckOther
Main spans2
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span18 ft (5.5 m)
Deck width87 ft (26.4 m)
Roadway width53 ft (16.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,400 (2024)
Projected traffic18,425 by 2044
Trucks3%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Marion Avenue over Eight Mile River built?

It was built in 1979, making it 46 years old in 2025. It was reconstructed in 2004.

What condition is Marion Avenue over Eight Mile 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 September 2024.

How much traffic does Marion Avenue over Eight Mile River carry?

About 12,400 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Marion Avenue over Eight Mile River?

The structure is 38 ft (11.6 m) long with a longest span of 18 ft (5.5 m) and a deck 87 ft wide.

Who owns Marion Avenue over Eight Mile River?

It is owned by the Town or Township Highway Agency.