US Bridges

Mitthoefer Road over I-70

Fair

Marion County, Indiana · 02.34 E I-465 · Structure no. 042740

Built
1967
58 years old, rebuilt 2021
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
198 ft
2 main spans
Daily traffic
13,500
2020 count
Owner
State
State Highway Agency

About this bridge

Mitthoefer Road over I-70 is a steel continuous stringer/multi-beam or girder carrying Mitthoefer Road over I-70 in Marion County, Indiana. It was built in 1967 and reconstructed in 2021, so it is 58 years old, older than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,500 vehicles a day, roughly 2% of them trucks, projected to reach 16,200 by 2040. The structure is 198 ft (60.4 m) long and 37 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

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CarriesMitthoefer Road
CrossesI-70
Location02.34 E I-465
RouteCity Street 0
CountyMarion County
StateIndiana
Coordinates39.80191, -85.99065
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span98 ft (29.8 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,500 (2020)
Projected traffic16,200 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

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 Mitthoefer Road over I-70 built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2021.

What condition is Mitthoefer Road over I-70 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Mitthoefer Road over I-70 carry?

About 13,500 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Mitthoefer Road over I-70?

The structure is 198 ft (60.4 m) long with a longest span of 98 ft (29.8 m) and a deck 37 ft wide.

Who owns Mitthoefer Road over I-70?

It is owned by the State Highway Agency.