US Bridges

I-70 EB over Mill Creek

Fair

Putnam County, Indiana · 08.19 E US 231 · Structure no. 041700

Built
1966
59 years old, rebuilt 1995
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
272 ft
3 main spans
Daily traffic
19,280
2019 count
Owner
State
State Highway Agency

About this bridge

I-70 EB over Mill Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I-70 EB over Mill Creek in Putnam County, Indiana. It was built in 1966 and reconstructed in 1995, so it is 59 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 5 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 19,280 vehicles a day, roughly 38% of them trucks, projected to reach 21,220 by 2029. The structure is 272 ft (82.9 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI-70 EB
CrossesMill Creek
Location08.19 E US 231
RouteInterstate 70
StateIndiana
Coordinates39.56099, -86.6531
Functional classRural Principal Arterial - Interstate

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length272 ft (82.9 m)
Longest span79 ft (24 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,280 (2019)
Projected traffic21,220 by 2029
Trucks38%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was I-70 EB over Mill Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1995.

What condition is I-70 EB over Mill Creek 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 I-70 EB over Mill Creek carry?

About 19,280 vehicles per day (2019 count), of which roughly 38% are trucks.

How long is I-70 EB over Mill Creek?

The structure is 272 ft (82.9 m) long with a longest span of 79 ft (24 m) and a deck 43 ft wide.

Who owns I-70 EB over Mill Creek?

It is owned by the State Highway Agency.