US Bridges

I-90 EB over Sycamore Road

Fair

St. Joseph County, Indiana · 04.28 W US 31 · Structure no. 047570

Built
1956
69 years old, rebuilt 2018
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
121 ft
3 main spans
Daily traffic
12,504
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-90 EB over Sycamore Road is a steel stringer/multi-beam or girder carrying I-90 EB over Sycamore Road in St. Joseph County, Indiana. It was built in 1956 and reconstructed in 2018, 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 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 12,504 vehicles a day, roughly 10% of them trucks, projected to reach 26,252 by 2031. The structure is 121 ft (36.8 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesI-90 EB
CrossesSycamore Road
Location04.28 W US 31
RouteInterstate 90
CountySt. Joseph County
StateIndiana
Coordinates41.74785, -86.40957
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.6 US tons
Inventory rating48.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length121 ft (36.8 m)
Longest span34 ft (10.3 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,504 (2004)
Projected traffic26,252 by 2031
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 EB over Sycamore Road built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2018.

What condition is I-90 EB over Sycamore Road 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 EB over Sycamore Road carry?

About 12,504 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is I-90 EB over Sycamore Road?

The structure is 121 ft (36.8 m) long with a longest span of 34 ft (10.3 m) and a deck 41 ft wide.

Who owns I-90 EB over Sycamore Road?

It is owned by the State Toll Authority.