US Bridges

I-70 EB over Dearborn Street

Good

Marion County, Indiana · 04.35 W I-465 · Structure no. 042510

Built
1974
51 years old, rebuilt 2007
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
152 ft
3 main spans
Daily traffic
84,506
2004 count
Owner
State
State Highway Agency

About this bridge

I-70 EB over Dearborn Street is a steel continuous stringer/multi-beam or girder carrying I-70 EB over Dearborn Street in Marion County, Indiana. It was built in 1974 and reconstructed in 2007, so it is 51 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 84,506 vehicles a day, roughly 5% of them trucks, projected to reach 168,336 by 2032. The structure is 152 ft (46.3 m) long and 91 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-70 EB
CrossesDearborn Street
Location04.35 W I-465
RouteInterstate 70
StateIndiana
Coordinates39.7983, -86.11192
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating26.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span62 ft (18.8 m)
Deck width91 ft (27.6 m)
Roadway width88 ft (26.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic84,506 (2004)
Projected traffic168,336 by 2032
Trucks5%
Lanes on structure5
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-70 EB over Dearborn Street built?

It was built in 1974, making it 51 years old in 2025. It was reconstructed in 2007.

What condition is I-70 EB over Dearborn Street 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 February 2024.

How much traffic does I-70 EB over Dearborn Street carry?

About 84,506 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is I-70 EB over Dearborn Street?

The structure is 152 ft (46.3 m) long with a longest span of 62 ft (18.8 m) and a deck 91 ft wide.

Who owns I-70 EB over Dearborn Street?

It is owned by the State Highway Agency.