US Bridges

Ellsworth RD over Lookingglass River

GoodPosted for load

Shiawassee County, Michigan · 3.5 MI SE of Morrice · Structure no. 000000000009824

Built
1985
40 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
41
1998 count
Owner
County
County Highway Agency

About this bridge

Ellsworth RD over Lookingglass River is a prestressed concrete box beam or girders - multiple carrying Ellsworth RD over Lookingglass River in Shiawassee County, Michigan. It was built in 1985, so it is 40 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. Its operating status is: posted for load restriction.

It carries about 41 vehicles a day, roughly 5% of them trucks, projected to reach 75 by 2018. The structure is 50 ft (15.2 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesEllsworth RD
CrossesLookingglass River
Location3.5 MI SE of Morrice
RouteCounty Highway 0
Coordinates42.81341, -84.12116
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating33.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width33 ft (10 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (1998)
Projected traffic75 by 2018
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 Ellsworth RD over Lookingglass River built?

It was built in 1985, making it 40 years old in 2025.

What condition is Ellsworth RD over 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 Ellsworth RD over Lookingglass River carry?

About 41 vehicles per day (1998 count), of which roughly 5% are trucks.

How long is Ellsworth RD over Lookingglass River?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 33 ft wide.

Who owns Ellsworth RD over Lookingglass River?

It is owned by the County Highway Agency.