US Bridges

Lutz Rd-Old 131 over Prairie River

GoodPosted for load

St. Joseph County, Michigan · 2.3 MI S of Three Rivers · Structure no. 000000000010307

Built
2007
18 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
115 ft
2 main spans
Daily traffic
3,586
2019 count
Owner
County
County Highway Agency

About this bridge

Lutz Rd-Old 131 over Prairie River is a prestressed concrete box beam or girders - multiple carrying Lutz Rd-Old 131 over Prairie River in St. Joseph County, Michigan. It was built in 2007, so it is 18 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 3,586 vehicles a day, roughly 8% of them trucks, projected to reach 3,807 by 2039. The structure is 115 ft (34.9 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesLutz Rd-Old 131
CrossesPrairie River
Location2.3 MI S of Three Rivers
RouteCounty Highway 0
Coordinates41.90661, -85.62452
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating35.4 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length115 ft (34.9 m)
Longest span63 ft (19.1 m)
Deck width39 ft (11.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,586 (2019)
Projected traffic3,807 by 2039
Trucks8%
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 Lutz Rd-Old 131 over Prairie River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Lutz Rd-Old 131 over Prairie River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2023.

How much traffic does Lutz Rd-Old 131 over Prairie River carry?

About 3,586 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Lutz Rd-Old 131 over Prairie River?

The structure is 115 ft (34.9 m) long with a longest span of 63 ft (19.1 m) and a deck 39 ft wide.

Who owns Lutz Rd-Old 131 over Prairie River?

It is owned by the County Highway Agency.