US Bridges

I-90 Ramp to SR 49 over I-90 Eb/Wb

Fair

Porter County, Indiana · 00.31 W SR 49 · Structure no. 046990

Built
1956
69 years old, rebuilt 1989
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
237 ft
4 main spans
Daily traffic
4,790
2011 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 Ramp to SR 49 over I-90 Eb/Wb is a steel continuous stringer/multi-beam or girder carrying I-90 Ramp to SR 49 over I-90 Eb/Wb in Porter County, Indiana. It was built in 1956 and reconstructed in 1989, so it is 69 years old, older than the Indiana average of 46.6 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 4,790 vehicles a day, roughly 24% of them trucks, projected to reach 3,619 by 2031. The structure is 237 ft (72.2 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-90 Ramp to SR 49
CrossesI-90 Eb/Wb
Location00.31 W SR 49
RouteInterstate 90
StateIndiana
Coordinates41.57411, -87.05154
Functional classRural Principal Arterial - Interstate

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length237 ft (72.2 m)
Longest span87 ft (26.5 m)
Deck width51 ft (15.6 m)
Roadway width46 ft (14.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,790 (2011)
Projected traffic3,619 by 2031
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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-90 Ramp to SR 49 over I-90 Eb/Wb built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1989.

What condition is I-90 Ramp to SR 49 over I-90 Eb/Wb 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 July 2023.

How much traffic does I-90 Ramp to SR 49 over I-90 Eb/Wb carry?

About 4,790 vehicles per day (2011 count), of which roughly 24% are trucks.

How long is I-90 Ramp to SR 49 over I-90 Eb/Wb?

The structure is 237 ft (72.2 m) long with a longest span of 87 ft (26.5 m) and a deck 51 ft wide.

Who owns I-90 Ramp to SR 49 over I-90 Eb/Wb?

It is owned by the State Toll Authority.