US Bridges

Shaftsburg RD over Bear Creek

GoodPosted for load

Shiawassee County, Michigan · 4.7 MI SE of Ovid · Structure no. 000000000009855

Built
1959
66 years old
Condition
Good
inspected May 2024
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
125
1992 count
Owner
County
County Highway Agency

About this bridge

Shaftsburg RD over Bear Creek is a concrete slab carrying Shaftsburg RD over Bear Creek in Shiawassee County, Michigan. It was built in 1959, so it is 66 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. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 235 by 2012. The structure is 34 ft (10.3 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesShaftsburg RD
CrossesBear Creek
Location4.7 MI SE of Ovid
RouteCounty Highway 0
Coordinates42.9584, -84.30446
Functional classRural Local

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 inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length34 ft (10.3 m)
Longest span31 ft (9.4 m)
Deck width29 ft (8.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (1992)
Projected traffic235 by 2012
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Shaftsburg RD over Bear Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is Shaftsburg RD over Bear 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 May 2024.

How much traffic does Shaftsburg RD over Bear Creek carry?

About 125 vehicles per day (1992 count), of which roughly 5% are trucks.

How long is Shaftsburg RD over Bear Creek?

The structure is 34 ft (10.3 m) long with a longest span of 31 ft (9.4 m) and a deck 29 ft wide.

Who owns Shaftsburg RD over Bear Creek?

It is owned by the County Highway Agency.