US Bridges

I-70 EB over US 231 Sb/Nb

Good

Putnam County, Indiana · 04.02 E SR 243 · Structure no. 041620

Built
1965
60 years old, rebuilt 2021
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
137 ft
2 main spans
Daily traffic
39,268
2020 count
Owner
State
State Highway Agency

About this bridge

I-70 EB over US 231 Sb/Nb is a prestressed concrete continuous box beam or girders - multiple carrying I-70 EB over US 231 Sb/Nb in Putnam County, Indiana. It was built in 1965 and reconstructed in 2021, so it is 60 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 39,268 vehicles a day, roughly 44% of them trucks, projected to reach 51,246 by 2040. The structure is 137 ft (41.9 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI-70 EB
CrossesUS 231 Sb/Nb
Location04.02 E SR 243
RouteInterstate 70
CountyPutnam County
StateIndiana
Coordinates39.53265, -86.80274
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length137 ft (41.9 m)
Longest span68 ft (20.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,268 (2020)
Projected traffic51,246 by 2040
Trucks44%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 EB over US 231 Sb/Nb built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2021.

What condition is I-70 EB over US 231 Sb/Nb 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 April 2023.

How much traffic does I-70 EB over US 231 Sb/Nb carry?

About 39,268 vehicles per day (2020 count), of which roughly 44% are trucks.

How long is I-70 EB over US 231 Sb/Nb?

The structure is 137 ft (41.9 m) long with a longest span of 68 ft (20.8 m) and a deck 43 ft wide.

Who owns I-70 EB over US 231 Sb/Nb?

It is owned by the State Highway Agency.