US Bridges

Grape Road NB over I-90 Eb/Wb

Fair

St. Joseph County, Indiana · 00.46 E SR 23 · Structure no. 047845

Built
1978
47 years old, rebuilt 2002
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
194 ft
2 main spans
Daily traffic
12,568
2014 count
Owner
Toll Authority
State Toll Authority

About this bridge

Grape Road NB over I-90 Eb/Wb is a steel continuous stringer/multi-beam or girder carrying Grape Road NB over I-90 Eb/Wb in St. Joseph County, Indiana. It was built in 1978 and reconstructed in 2002, so it is 47 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 12,568 vehicles a day, roughly 6% of them trucks, projected to reach 36,232 by 2031. The structure is 194 ft (59.1 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesGrape Road NB
CrossesI-90 Eb/Wb
Location00.46 E SR 23
RouteCity Street 0
StateIndiana
Coordinates41.71621, -86.18755
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating67.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length194 ft (59.1 m)
Longest span96 ft (29.3 m)
Deck width49 ft (15 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,568 (2014)
Projected traffic36,232 by 2031
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 Grape Road NB over I-90 Eb/Wb built?

It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2002.

What condition is Grape Road NB 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 August 2023.

How much traffic does Grape Road NB over I-90 Eb/Wb carry?

About 12,568 vehicles per day (2014 count), of which roughly 6% are trucks.

How long is Grape Road NB over I-90 Eb/Wb?

The structure is 194 ft (59.1 m) long with a longest span of 96 ft (29.3 m) and a deck 49 ft wide.

Who owns Grape Road NB over I-90 Eb/Wb?

It is owned by the State Toll Authority.