US Bridges

Lutz Road over Fawn River

Fair

St. Joseph County, Michigan · 2.0 MI E of Constantine · Structure no. 000000000010306

Built
1959
66 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
90 ft
2 main spans
Daily traffic
3,889
2019 count
Owner
County
County Highway Agency

About this bridge

Lutz Road over Fawn River is a prestressed concrete box beam or girders - multiple carrying Lutz Road over Fawn River in St. Joseph County, Michigan. It was built in 1959, 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 3,889 vehicles a day, roughly 10% of them trucks, projected to reach 4,129 by 2039. The structure is 90 ft (27.4 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLutz Road
CrossesFawn River
Location2.0 MI E of Constantine
RouteCounty Highway 0
CountySt. Joseph County
StateMichigan
Coordinates41.84304, -85.62352
Functional classRural Major 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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.3 US tons
Inventory rating43.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span45 ft (13.7 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,889 (2019)
Projected traffic4,129 by 2039
Trucks10%
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Lutz Road over Fawn River built?

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

What condition is Lutz Road over Fawn River 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 Lutz Road over Fawn River carry?

About 3,889 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is Lutz Road over Fawn River?

The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.7 m) and a deck 34 ft wide.

Who owns Lutz Road over Fawn River?

It is owned by the County Highway Agency.