US Bridges

Ritchie RD over Sugar River

Good

Gladwin County, Michigan · 2.1 M W of M30 · Structure no. 000000000002903

Built
1993
32 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
900
2000 count
Owner
County
County Highway Agency

About this bridge

Ritchie RD over Sugar River is a prestressed concrete box beam or girders - multiple carrying Ritchie RD over Sugar River in Gladwin County, Michigan. It was built in 1993, so it is 32 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 900 vehicles a day, projected to reach 1,260 by 2020. The structure is 70 ft (21.3 m) long and 37 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRitchie RD
CrossesSugar River
Location2.1 M W of M30
RouteCounty Highway 2678
Coordinates44.08789, -84.40902
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.1 US tons
Inventory rating31.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span66 ft (20.1 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2000)
Projected traffic1,260 by 2020
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Ritchie RD over Sugar River built?

It was built in 1993, making it 32 years old in 2025.

What condition is Ritchie RD over Sugar 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 Ritchie RD over Sugar River carry?

About 900 vehicles per day (2000 count).

How long is Ritchie RD over Sugar River?

The structure is 70 ft (21.3 m) long with a longest span of 66 ft (20.1 m) and a deck 37 ft wide.

Who owns Ritchie RD over Sugar River?

It is owned by the County Highway Agency.