US Bridges

Millet Road over I-69 NB

Fair

Eaton County, Michigan · 1.5 MI S I-496 · Structure no. 000000000002281

Built
1989
36 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
195 ft
3 main spans
Daily traffic
1,500
1982 count
Owner
State
State Highway Agency

About this bridge

Millet Road over I-69 NB is a steel stringer/multi-beam or girder carrying Millet Road over I-69 NB in Eaton County, Michigan. It was built in 1989, so it is 36 years old, younger than the Michigan average of 48.3 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 1,500 vehicles a day, roughly 3% of them trucks, projected to reach 1,500 by 2007. The structure is 195 ft (59.3 m) long and 61 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMillet Road
CrossesI-69 NB
Location1.5 MI S I-496
RouteCounty Highway 0
CountyEaton County
StateMichigan
Coordinates42.69756, -84.6677
Functional classUrban Local

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length195 ft (59.3 m)
Longest span110 ft (33.5 m)
Deck width61 ft (18.6 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (1982)
Projected traffic1,500 by 2007
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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 Millet Road over I-69 NB built?

It was built in 1989, making it 36 years old in 2025.

What condition is Millet Road over I-69 NB 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 June 2023.

How much traffic does Millet Road over I-69 NB carry?

About 1,500 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is Millet Road over I-69 NB?

The structure is 195 ft (59.3 m) long with a longest span of 110 ft (33.5 m) and a deck 61 ft wide.

Who owns Millet Road over I-69 NB?

It is owned by the State Highway Agency.