US Bridges

Mayflower RD over Place Ditch

Fair

St. Joseph County, Indiana · 00.50 S of US 20 · Structure no. 7100102

Built
1972
53 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
6,254
2022 count
Owner
County
County Highway Agency

About this bridge

Mayflower RD over Place Ditch is a concrete continuous slab carrying Mayflower RD over Place Ditch in St. Joseph County, Indiana. It was built in 1972, so it is 53 years old, older than the Indiana average of 46.6 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.

It carries about 6,254 vehicles a day, roughly 19% of them trucks, projected to reach 7,631 by 2042. The structure is 81 ft (24.8 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMayflower RD
CrossesPlace Ditch
Location00.50 S of US 20
RouteCounty Highway 0
CountySt. Joseph County
StateIndiana
Coordinates41.64711, -86.32183
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.2 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length81 ft (24.8 m)
Longest span31 ft (9.4 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,254 (2022)
Projected traffic7,631 by 2042
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mayflower RD over Place Ditch built?

It was built in 1972, making it 53 years old in 2025.

What condition is Mayflower RD over Place 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 September 2024.

How much traffic does Mayflower RD over Place Ditch carry?

About 6,254 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Mayflower RD over Place Ditch?

The structure is 81 ft (24.8 m) long with a longest span of 31 ft (9.4 m) and a deck 46 ft wide.

Who owns Mayflower RD over Place Ditch?

It is owned by the County Highway Agency.