US Bridges

Mintdale Road over Ditch

FairPosted for load

St. Joseph County, Michigan · 4 MI E of Constantine · Structure no. 000000000010343

Built
1968
57 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
26 ft
1 main span
Daily traffic
146
2021 count
Owner
County
County Highway Agency

About this bridge

Mintdale Road over Ditch is a wood or timber slab carrying Mintdale Road over Ditch in St. Joseph County, Michigan. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 146 vehicles a day, roughly 11% of them trucks, projected to reach 155 by 2041. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMintdale Road
CrossesDitch
Location4 MI E of Constantine
RouteCounty Highway 0
CountySt. Joseph County
StateMichigan
Coordinates41.83822, -85.57058
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146 (2021)
Projected traffic155 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Mintdale Road over Ditch built?

It was built in 1968, making it 57 years old in 2025.

What condition is Mintdale Road over Ditch 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 2023.

How much traffic does Mintdale Road over Ditch carry?

About 146 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is Mintdale Road over Ditch?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 28 ft wide.

Who owns Mintdale Road over Ditch?

It is owned by the County Highway Agency.