US Bridges

11 MI Le Road over ST Joseph River

Fair

Calhoun County, Michigan · Burlington Twp Sec 23 · Structure no. 000000000001320

Built
1966
59 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
100 ft
2 main spans
Daily traffic
1,100
2021 count
Owner
County
County Highway Agency

About this bridge

11 MI Le Road over ST Joseph River is a prestressed concrete box beam or girders - multiple carrying 11 MI Le Road over ST Joseph River in Calhoun County, Michigan. It was built in 1966, so it is 59 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.

It carries about 1,100 vehicles a day, roughly 5% of them trucks, projected to reach 1,210 by 2041. The structure is 100 ft (30.4 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
Carries11 MI Le Road
CrossesST Joseph River
LocationBurlington Twp Sec 23
RouteCounty Highway 1335
CountyCalhoun County
StateMichigan
Coordinates42.10284, -85.08004
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.2 US tons
Inventory rating44.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length100 ft (30.4 m)
Longest span50 ft (15.2 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2021)
Projected traffic1,210 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 11 MI Le Road over ST Joseph River built?

It was built in 1966, making it 59 years old in 2025.

What condition is 11 MI Le Road over ST Joseph 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 September 2024.

How much traffic does 11 MI Le Road over ST Joseph River carry?

About 1,100 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 11 MI Le Road over ST Joseph River?

The structure is 100 ft (30.4 m) long with a longest span of 50 ft (15.2 m) and a deck 30 ft wide.

Who owns 11 MI Le Road over ST Joseph River?

It is owned by the County Highway Agency.