US Bridges

Iyopawa Island RD over I-69

Fair

Branch County, Michigan · 9.3 MI S of US-12 · Structure no. 000000000001080

Built
1967
58 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
241 ft
4 main spans
Daily traffic
20
1988 count
Owner
State
State Highway Agency

About this bridge

Iyopawa Island RD over I-69 is a steel stringer/multi-beam or girder carrying Iyopawa Island RD over I-69 in Branch County, Michigan. It was built in 1967, so it is 58 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 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 20 vehicles a day, projected to reach 23 by 2008. The structure is 241 ft (73.4 m) long and 31 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesIyopawa Island RD
CrossesI-69
Location9.3 MI S of US-12
RouteCounty Highway 0
Coordinates41.80744, -84.99732
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.8 US tons
Inventory rating46.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length241 ft (73.4 m)
Longest span86 ft (26.2 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (1988)
Projected traffic23 by 2008
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed123.7 mi (199 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 Iyopawa Island RD over I-69 built?

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

What condition is Iyopawa Island RD over I-69 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 May 2023.

How much traffic does Iyopawa Island RD over I-69 carry?

About 20 vehicles per day (1988 count).

How long is Iyopawa Island RD over I-69?

The structure is 241 ft (73.4 m) long with a longest span of 86 ft (26.2 m) and a deck 31 ft wide.

Who owns Iyopawa Island RD over I-69?

It is owned by the State Highway Agency.