US Bridges

Jackson Road over Unnamed Creek

Poor

Ionia County, Michigan · 1.0 Mile SE of Saranac · Structure no. 000000000004055

Built
1993
32 years old
Condition
Poor
inspected October 2024
Type
Culvert
Steel
Length
22 ft
2 main spans
Daily traffic
321
2008 count
Owner
County
County Highway Agency

About this bridge

Jackson Road over Unnamed Creek is a steel culvert carrying Jackson Road over Unnamed Creek in Ionia County, Michigan. It was built in 1993, so it is 32 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 321 vehicles a day, roughly 10% of them trucks, projected to reach 373 by 2028. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesJackson Road
CrossesUnnamed Creek
Location1.0 Mile SE of Saranac
RouteCounty Highway 0
Coordinates42.91536, -85.19353
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20.7 US tons
Inventory rating12.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic321 (2008)
Projected traffic373 by 2028
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Jackson Road over Unnamed Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Jackson Road over Unnamed Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does Jackson Road over Unnamed Creek carry?

About 321 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is Jackson Road over Unnamed Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns Jackson Road over Unnamed Creek?

It is owned by the County Highway Agency.