US Bridges

Mcculloch RD over N Br Tobacco River

Good

Gladwin County, Michigan · 70 Rods N of Calhoun RD · Structure no. 000000000002927

Built
1991
34 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
260
2017 count
Owner
County
County Highway Agency

About this bridge

Mcculloch RD over N Br Tobacco River is a prestressed concrete box beam or girders - multiple carrying Mcculloch RD over N Br Tobacco River in Gladwin County, Michigan. It was built in 1991, so it is 34 years old, younger 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 260 vehicles a day, roughly 3% of them trucks, projected to reach 270 by 2037. The structure is 60 ft (18.3 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMcculloch RD
CrossesN Br Tobacco River
Location70 Rods N of Calhoun RD
RouteCounty Highway 0
Coordinates43.90502, -84.52477
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating38.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span56 ft (17 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2017)
Projected traffic270 by 2037
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Mcculloch RD over N Br Tobacco River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Mcculloch RD over N Br Tobacco River 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 March 2024.

How much traffic does Mcculloch RD over N Br Tobacco River carry?

About 260 vehicles per day (2017 count), of which roughly 3% are trucks.

How long is Mcculloch RD over N Br Tobacco River?

The structure is 60 ft (18.3 m) long with a longest span of 56 ft (17 m) and a deck 31 ft wide.

Who owns Mcculloch RD over N Br Tobacco River?

It is owned by the County Highway Agency.