US Bridges

I-691 Ramp 009 over I-691RMP 008 Columbia ST

Fair

New Haven County, Connecticut · Over Ent Ramp from Lewis · Structure no. 02071

Built
1971
54 years old
Condition
Fair
inspected March 2024
Type
Girder and Floorbeam System
Steel Continuous
Length
180 ft
2 main spans
Daily traffic
2,100
2021 count
Owner
State
State Highway Agency

About this bridge

I-691 Ramp 009 over I-691RMP 008 Columbia ST is a steel continuous girder and floorbeam system carrying I-691 Ramp 009 over I-691RMP 008 Columbia ST in New Haven County, Connecticut. It was built in 1971, so it is 54 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 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 2,100 vehicles a day, roughly 9% of them trucks, projected to reach 3,120 by 2041. The structure is 180 ft (55 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-691 Ramp 009
CrossesI-691RMP 008 Columbia ST
LocationOver Ent Ramp from Lewis
RouteState Highway 691
CountyNew Haven County
StateConnecticut
Coordinates41.54626, -72.80371
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.5 US tons
Inventory rating21.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length180 ft (55 m)
Longest span100 ft (30.5 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2021)
Projected traffic3,120 by 2041
Trucks9%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-691 Ramp 009 over I-691RMP 008 Columbia ST built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-691 Ramp 009 over I-691RMP 008 Columbia ST 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 2024.

How much traffic does I-691 Ramp 009 over I-691RMP 008 Columbia ST carry?

About 2,100 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is I-691 Ramp 009 over I-691RMP 008 Columbia ST?

The structure is 180 ft (55 m) long with a longest span of 100 ft (30.5 m) and a deck 32 ft wide.

Who owns I-691 Ramp 009 over I-691RMP 008 Columbia ST?

It is owned by the State Highway Agency.