US Bridges

Beardslee RD over S Br Lookingglass River

Good

Shiawassee County, Michigan · 1.5 MI SE of Shaftsburg · Structure no. 000000000009859

Built
1983
42 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
523
2015 count
Owner
County
County Highway Agency

About this bridge

Beardslee RD over S Br Lookingglass River is a prestressed concrete box beam or girders - multiple carrying Beardslee RD over S Br Lookingglass River in Shiawassee County, Michigan. It was built in 1983, so it is 42 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 523 vehicles a day, roughly 5% of them trucks, projected to reach 778 by 2035. The structure is 70 ft (21.3 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBeardslee RD
CrossesS Br Lookingglass River
Location1.5 MI SE of Shaftsburg
RouteCounty Highway 0
Coordinates42.79083, -84.26702
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.8 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span69 ft (20.9 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic523 (2015)
Projected traffic778 by 2035
Trucks5%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Beardslee RD over S Br Lookingglass River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Beardslee RD over S Br Lookingglass 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 May 2024.

How much traffic does Beardslee RD over S Br Lookingglass River carry?

About 523 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Beardslee RD over S Br Lookingglass River?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (20.9 m) and a deck 31 ft wide.

Who owns Beardslee RD over S Br Lookingglass River?

It is owned by the County Highway Agency.