US Bridges

7 MI Road over Nottawa Creek

Good

Calhoun County, Michigan · Burlington Twp Sec 17 · Structure no. 000000000001315

Built
1962
63 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
2,949
1995 count
Owner
County
County Highway Agency

About this bridge

7 MI Road over Nottawa Creek is a prestressed concrete box beam or girders - multiple carrying 7 MI Road over Nottawa Creek in Calhoun County, Michigan. It was built in 1962, so it is 63 years old, older 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.

It carries about 2,949 vehicles a day, roughly 14% of them trucks, projected to reach 5,277 by 2023. The structure is 43 ft (13.1 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Carries7 MI Road
CrossesNottawa Creek
LocationBurlington Twp Sec 17
RouteCounty Highway 1323
Coordinates42.12633, -85.15701
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.2 US tons
Inventory rating27.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width32 ft (9.8 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,949 (1995)
Projected traffic5,277 by 2023
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 7 MI Road over Nottawa Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is 7 MI Road over Nottawa Creek 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 September 2023.

How much traffic does 7 MI Road over Nottawa Creek carry?

About 2,949 vehicles per day (1995 count), of which roughly 14% are trucks.

How long is 7 MI Road over Nottawa Creek?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m) and a deck 32 ft wide.

Who owns 7 MI Road over Nottawa Creek?

It is owned by the County Highway Agency.