US Bridges

I-70 WB over SR 121

Good

Wayne County, Indiana · 01.42 W US 40 · Structure no. 080751

Built
2017
8 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
17,280
2017 count
Owner
State
State Highway Agency

About this bridge

I-70 WB over SR 121 is a steel stringer/multi-beam or girder carrying I-70 WB over SR 121 in Wayne County, Indiana. It was built in 2017, so it is 8 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,280 vehicles a day, roughly 43% of them trucks, projected to reach 18,475 by 2037. The structure is 73 ft (22.1 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI-70 WB
CrossesSR 121
Location01.42 W US 40
RouteInterstate 70
StateIndiana
Coordinates39.84937, -84.8338
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating53.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length73 ft (22.1 m)
Longest span71 ft (21.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,280 (2017)
Projected traffic18,475 by 2037
Trucks43%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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-70 WB over SR 121 built?

It was built in 2017, making it 8 years old in 2025.

What condition is I-70 WB over SR 121 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 December 2023.

How much traffic does I-70 WB over SR 121 carry?

About 17,280 vehicles per day (2017 count), of which roughly 43% are trucks.

How long is I-70 WB over SR 121?

The structure is 73 ft (22.1 m) long with a longest span of 71 ft (21.6 m) and a deck 43 ft wide.

Who owns I-70 WB over SR 121?

It is owned by the State Highway Agency.