US Bridges

I-69 WB over Wood RD

Fair

Clinton County, Michigan · 1 MI E of US-27 · Structure no. 000000000001866

Built
1971
54 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
99 ft
1 main span
Daily traffic
18,989
2007 count
Owner
State
State Highway Agency

About this bridge

I-69 WB over Wood RD is a steel stringer/multi-beam or girder carrying I-69 WB over Wood RD in Clinton County, Michigan. It was built in 1971, so it is 54 years old, older 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 18,989 vehicles a day, roughly 16% of them trucks, projected to reach 24,602 by 2018. The structure is 99 ft (30.2 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-69 WB
CrossesWood RD
Location1 MI E of US-27
RouteInterstate 69
Coordinates42.81698, -84.52314
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionOctober 2024
Inspection intervalevery 18 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span96 ft (29.2 m)
Deck width59 ft (18.1 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,989 (2007)
Projected traffic24,602 by 2018
Trucks16%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 WB over Wood RD built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-69 WB over Wood RD 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 October 2024.

How much traffic does I-69 WB over Wood RD carry?

About 18,989 vehicles per day (2007 count), of which roughly 16% are trucks.

How long is I-69 WB over Wood RD?

The structure is 99 ft (30.2 m) long with a longest span of 96 ft (29.2 m) and a deck 59 ft wide.

Who owns I-69 WB over Wood RD?

It is owned by the State Highway Agency.