US Bridges

N DR So over Nottawa Creek

FairPosted for load

Calhoun County, Michigan · Burlington Twp Sec 4 · Structure no. 000000000001300

Built
1977
48 years old
Condition
Fair
inspected September 2023
Type
Slab
Wood or Timber
Length
52 ft
2 main spans
Daily traffic
692
1995 count
Owner
County
County Highway Agency

About this bridge

N DR So over Nottawa Creek is a wood or timber slab carrying N DR So over Nottawa Creek in Calhoun County, Michigan. It was built in 1977, so it is 48 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 692 vehicles a day, roughly 12% of them trucks, projected to reach 1,238 by 2023. The structure is 52 ft (15.8 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesN DR So
CrossesNottawa Creek
LocationBurlington Twp Sec 4
RouteCounty Highway 0
CountyCalhoun County
StateMichigan
Coordinates42.14586, -85.12678
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.6 US tons
Inventory rating16.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span26 ft (7.9 m)
Deck width35 ft (10.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic692 (1995)
Projected traffic1,238 by 2023
Trucks12%
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 N DR So over Nottawa Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is N DR So 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 N DR So over Nottawa Creek carry?

About 692 vehicles per day (1995 count), of which roughly 12% are trucks.

How long is N DR So over Nottawa Creek?

The structure is 52 ft (15.8 m) long with a longest span of 26 ft (7.9 m) and a deck 35 ft wide.

Who owns N DR So over Nottawa Creek?

It is owned by the County Highway Agency.