US Bridges

L Drive North over I-69

Fair

Calhoun County, Michigan · 2.5 MI N of I-94 · Structure no. 000000000001242

Built
1970
55 years old, rebuilt 2015
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
364 ft
5 main spans
Daily traffic
1,060
2015 count
Owner
State
State Highway Agency

About this bridge

L Drive North over I-69 is a steel stringer/multi-beam or girder carrying L Drive North over I-69 in Calhoun County, Michigan. It was built in 1970 and reconstructed in 2015, so it is 55 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 1,060 vehicles a day, roughly 3% of them trucks, projected to reach 1,175 by 2035. The structure is 364 ft (110.9 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesL Drive North
CrossesI-69
Location2.5 MI N of I-94
RouteCounty Highway 1357
CountyCalhoun County
StateMichigan
Coordinates42.33267, -84.98685
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating40.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length364 ft (110.9 m)
Longest span98 ft (30 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,060 (2015)
Projected traffic1,175 by 2035
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was L Drive North over I-69 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 2015.

What condition is L Drive North over I-69 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 June 2023.

How much traffic does L Drive North over I-69 carry?

About 1,060 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is L Drive North over I-69?

The structure is 364 ft (110.9 m) long with a longest span of 98 ft (30 m) and a deck 38 ft wide.

Who owns L Drive North over I-69?

It is owned by the State Highway Agency.