US Bridges

13 Mile Road over Nottawa Creek

Fair

Calhoun County, Michigan · Fredonia Twp Sec 20 · Structure no. 000000000001324

Built
1920
105 years old, rebuilt 1997
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
207
1995 count
Owner
County
County Highway Agency

About this bridge

13 Mile Road over Nottawa Creek is a prestressed concrete box beam or girders - multiple carrying 13 Mile Road over Nottawa Creek in Calhoun County, Michigan. It was built in 1920 and reconstructed in 1997, so it is 105 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 207 vehicles a day, roughly 12% of them trucks, projected to reach 370 by 2023. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
Carries13 Mile Road
CrossesNottawa Creek
LocationFredonia Twp Sec 20
RouteCounty Highway 0
CountyCalhoun County
StateMichigan
Coordinates42.19464, -85.03832
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating85.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic207 (1995)
Projected traffic370 by 2023
Trucks12%
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 13 Mile Road over Nottawa Creek built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1997.

What condition is 13 Mile Road over Nottawa Creek 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 2023.

How much traffic does 13 Mile Road over Nottawa Creek carry?

About 207 vehicles per day (1995 count), of which roughly 12% are trucks.

How long is 13 Mile Road over Nottawa Creek?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns 13 Mile Road over Nottawa Creek?

It is owned by the County Highway Agency.