BridgeSafety
Marion County, IN · Structure #042470

I-70 EB

I-70 EB in 04.89 W I-465, Marion County, Indiana received a condition grade of B (77/100). Built in 1974, the bridge carries 127K vehicles daily on I-70 EB over Bloyd Avenue Csx RR.

I-70 EB carries a B on the BridgeSafety Condition Score with 77/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.

The bridge was built in 1974 and is now 52 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. I-70 EB carries an average daily traffic count of 127,164 vehicles, with 6 lane(s) crossing Bloyd Avenue Csx RR. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.

B
77/100
77
Condition Score
127K
Daily Traffic
1974
Year Built
74.5m
Length

Component Ratings

DeckGood
7/9

The riding surface, evaluated for cracking, spalling, and wear

SuperstructureGood
7/9

Beams, girders, and trusses that support the deck

SubstructureGood
7/9

Piers, abutments, and foundations below the deck

Bridge Details

Road
I-70 EB
Crosses Over
Bloyd Avenue Csx RR
State
Indiana
County
Marion County
Location
04.89 W I-465
Year Built
1974
Reconstructed
2007
Age
52 years
Daily Traffic
127,164
Lanes
6
Length
74.5 meters
Owner
State Highway Agency
Structure Number
042470

About This Bridge

I-70 EB is a 52-year-old bridge located 04.89 W I-465 in Marion County, Indiana. The bridge carries I-70 EB over Bloyd Avenue Csx RR with 6 traffic lanes, handling approximately 127K vehicles per day. Built in 1974 and reconstructed in 2007, the structure spans 74.5 meters.

The bridge received a Condition Grade of B (77/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 7/9 (good).

This bridge is owned and maintained by State Highway Agency.

Location Map

04.89 W I-465, Marion County, Indiana

39.795931, -86.119711

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Frequently Asked Questions

I-70 EB has a Condition Score of 77/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 7/9 on the NBI scale. The bridge is not classified as structurally deficient.

I-70 EB was built in 1974 and reconstructed in 2007, making it 52 years old. The average bridge age in the United States is 48 years.

I-70 EB carries approximately 127K vehicles per day (average daily traffic). The bridge has 6 traffic lanes. It is 74.5 meters long and located on I-70 EB in 04.89 W I-465, Marion County, Indiana.

No, I-70 EB is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.

I-70 EB is located 04.89 W I-465 in Marion County, Indiana. The bridge carries I-70 EB over Bloyd Avenue Csx RR. Its coordinates are 39.795931, -86.119711. It is maintained by State Highway Agency.

I-70 EB carries I-70 EB over Bloyd Avenue Csx RR. The bridge is 74.5 meters long and was built in 1974, with reconstruction in 2007.

Last updated:

Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.

Source: FHWA National Bridge Inventory, 2026.