US Bridges

Kent Road over Jo Drain

PoorPosted for load

Midland County, Michigan · 0.5 MI W of Orr Road · Structure no. 000000000006975

Built
1964
61 years old
Condition
Poor
inspected August 2024
Type
Girder and Floorbeam System
Steel
Length
36 ft
1 main span
Daily traffic
141
2016 count
Owner
County
County Highway Agency

About this bridge

Kent Road over Jo Drain is a steel girder and floorbeam system carrying Kent Road over Jo Drain in Midland County, Michigan. It was built in 1964, so it is 61 years old, older 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 3 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. Its operating status is: posted for load restriction.

It carries about 141 vehicles a day, roughly 5% of them trucks, projected to reach 210 by 2036. The structure is 36 ft (10.9 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKent Road
CrossesJo Drain
Location0.5 MI W of Orr Road
RouteCounty Highway 0
Coordinates43.51086, -84.18082
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating15.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span35 ft (10.6 m)
Deck width25 ft (7.6 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic141 (2016)
Projected traffic210 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$235,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Kent Road over Jo Drain built?

It was built in 1964, making it 61 years old in 2025.

What condition is Kent Road over Jo Drain 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 August 2024.

How much traffic does Kent Road over Jo Drain carry?

About 141 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Kent Road over Jo Drain?

The structure is 36 ft (10.9 m) long with a longest span of 35 ft (10.6 m) and a deck 25 ft wide.

Who owns Kent Road over Jo Drain?

It is owned by the County Highway Agency.