US Bridges

I-69 NB over Windsor & Nixon HWY

Fair

Eaton County, Michigan · 2.0 MI NE of Potterville · Structure no. 000000000002275

Built
1989
36 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
85 ft
1 main span
Daily traffic
17,026
2007 count
Owner
State
State Highway Agency

About this bridge

I-69 NB over Windsor & Nixon HWY is a prestressed concrete stringer/multi-beam or girder carrying I-69 NB over Windsor & Nixon HWY 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 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 17,026 vehicles a day, roughly 18% of them trucks, projected to reach 18,683 by 2018. The structure is 85 ft (25.9 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesI-69 NB
CrossesWindsor & Nixon HWY
Location2.0 MI NE of Potterville
RouteInterstate 69
CountyEaton County
StateMichigan
Coordinates42.64629, -84.7
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length85 ft (25.9 m)
Longest span82 ft (25.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,026 (2007)
Projected traffic18,683 by 2018
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 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-69 NB over Windsor & Nixon HWY built?

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

What condition is I-69 NB over Windsor & Nixon HWY 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 I-69 NB over Windsor & Nixon HWY carry?

About 17,026 vehicles per day (2007 count), of which roughly 18% are trucks.

How long is I-69 NB over Windsor & Nixon HWY?

The structure is 85 ft (25.9 m) long with a longest span of 82 ft (25.1 m) and a deck 47 ft wide.

Who owns I-69 NB over Windsor & Nixon HWY?

It is owned by the State Highway Agency.