US Bridges

I-69 SB over SR 18 Eb/Wb

Good

Grant County, Indiana · 04.98 N US 35 · Structure no. 039761

Built
2020
5 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
171 ft
4 main spans
Daily traffic
15,535
2019 count
Owner
State
State Highway Agency

About this bridge

I-69 SB over SR 18 Eb/Wb is a steel continuous stringer/multi-beam or girder carrying I-69 SB over SR 18 Eb/Wb in Grant County, Indiana. It was built in 2020, so it is 5 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 15,535 vehicles a day, roughly 41% of them trucks, projected to reach 19,575 by 2039. The structure is 171 ft (52.1 m) long and 46 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI-69 SB
CrossesSR 18 Eb/Wb
Location04.98 N US 35
RouteInterstate 69
CountyGrant County
StateIndiana
Coordinates40.55347, -85.55102
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating57.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length171 ft (52.1 m)
Longest span44 ft (13.5 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,535 (2019)
Projected traffic19,575 by 2039
Trucks41%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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-69 SB over SR 18 Eb/Wb built?

It was built in 2020, making it 5 years old in 2025.

What condition is I-69 SB over SR 18 Eb/Wb in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does I-69 SB over SR 18 Eb/Wb carry?

About 15,535 vehicles per day (2019 count), of which roughly 41% are trucks.

How long is I-69 SB over SR 18 Eb/Wb?

The structure is 171 ft (52.1 m) long with a longest span of 44 ft (13.5 m) and a deck 46 ft wide.

Who owns I-69 SB over SR 18 Eb/Wb?

It is owned by the State Highway Agency.