US Bridges

Segwun RD over I-96

Fair

Kent County, Michigan · 1.7 MI W of Ionia Col · Structure no. 000000000004722

Built
1959
66 years old, rebuilt 1980
Condition
Fair
inspected November 2024
Type
Tee Beam
Concrete Continuous
Length
229 ft
4 main spans
Daily traffic
670
2022 count
Owner
State
State Highway Agency

About this bridge

Segwun RD over I-96 is a concrete continuous tee beam carrying Segwun RD over I-96 in Kent County, Michigan. It was built in 1959 and reconstructed in 1980, so it is 66 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 670 vehicles a day, roughly 6% of them trucks, projected to reach 771 by 2042. The structure is 229 ft (69.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSegwun RD
CrossesI-96
Location1.7 MI W of Ionia Col
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates42.87707, -85.34619
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 4 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length229 ft (69.7 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2022)
Projected traffic771 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 Segwun RD over I-96 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1980.

What condition is Segwun RD over I-96 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 November 2024.

How much traffic does Segwun RD over I-96 carry?

About 670 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Segwun RD over I-96?

The structure is 229 ft (69.7 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns Segwun RD over I-96?

It is owned by the State Highway Agency.