US Bridges

Ellsworth RD over US-23

Poor

Washtenaw County, Michigan · 0.3 MI N of I-94 · Structure no. 000000000010874

Built
1962
63 years old
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
289 ft
4 main spans
Daily traffic
11,652
1991 count
Owner
State
State Highway Agency

About this bridge

Ellsworth RD over US-23 is a prestressed concrete stringer/multi-beam or girder carrying Ellsworth RD over US-23 in Washtenaw County, Michigan. It was built in 1962, so it is 63 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 11,652 vehicles a day, roughly 3% of them trucks, projected to reach 13,400 by 2011. The structure is 289 ft (88.1 m) long and 64 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesEllsworth RD
CrossesUS-23
Location0.3 MI N of I-94
RouteCounty Highway 2006
Coordinates42.23062, -83.68517
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 13 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length289 ft (88.1 m)
Longest span74 ft (22.5 m)
Deck width64 ft (19.6 m)
Roadway width61 ft (18.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,652 (1991)
Projected traffic13,400 by 2011
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ellsworth RD over US-23 built?

It was built in 1962, making it 63 years old in 2025.

What condition is Ellsworth RD over US-23 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Ellsworth RD over US-23 carry?

About 11,652 vehicles per day (1991 count), of which roughly 3% are trucks.

How long is Ellsworth RD over US-23?

The structure is 289 ft (88.1 m) long with a longest span of 74 ft (22.5 m) and a deck 64 ft wide.

Who owns Ellsworth RD over US-23?

It is owned by the State Highway Agency.