US Bridges

Tanner Marsh Road over INTERSTATE-95

Fair

New Haven County, Connecticut · 400 Ft N. of US Route 1 · Structure no. 00208

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
177 ft
2 main spans
Daily traffic
2,685
2022 count
Owner
State
State Highway Agency

About this bridge

Tanner Marsh Road over INTERSTATE-95 is a steel stringer/multi-beam or girder carrying Tanner Marsh Road over INTERSTATE-95 in New Haven County, Connecticut. It was built in 1958, so it is 67 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 5 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 2,685 vehicles a day, roughly 4% of them trucks, projected to reach 3,990 by 2042. The structure is 177 ft (53.8 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesTanner Marsh Road
CrossesINTERSTATE-95
Location400 Ft N. of US Route 1
RouteCity Street 0
Coordinates41.28931, -72.65811
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length177 ft (53.8 m)
Longest span86 ft (26.1 m)
Deck width49 ft (15 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,685 (2022)
Projected traffic3,990 by 2042
Trucks4%
Lanes on structure2
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 Tanner Marsh Road over INTERSTATE-95 built?

It was built in 1958, making it 67 years old in 2025.

What condition is Tanner Marsh Road over INTERSTATE-95 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 Tanner Marsh Road over INTERSTATE-95 carry?

About 2,685 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Tanner Marsh Road over INTERSTATE-95?

The structure is 177 ft (53.8 m) long with a longest span of 86 ft (26.1 m) and a deck 49 ft wide.

Who owns Tanner Marsh Road over INTERSTATE-95?

It is owned by the State Highway Agency.