US Bridges

Dixon RD over US-23

Fair

Monroe County, Michigan · 2.2 MI S of M-50 · Structure no. 000000000007110

Built
1959
66 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
270 ft
4 main spans
Daily traffic
980
1974 count
Owner
State
State Highway Agency

About this bridge

Dixon RD over US-23 is a concrete continuous tee beam carrying Dixon RD over US-23 in Monroe 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 980 vehicles a day, projected to reach 980 by 1977. The structure is 270 ft (82.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDixon RD
CrossesUS-23
Location2.2 MI S of M-50
RouteCounty Highway 0
CountyMonroe County
StateMichigan
Coordinates41.93005, -83.66226
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating34.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length270 ft (82.3 m)
Longest span79 ft (24 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic980 (1974)
Projected traffic980 by 1977
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

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 Dixon RD over US-23 built?

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

What condition is Dixon RD over US-23 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

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

About 980 vehicles per day (1974 count).

How long is Dixon RD over US-23?

The structure is 270 ft (82.3 m) long with a longest span of 79 ft (24 m) and a deck 33 ft wide.

Who owns Dixon RD over US-23?

It is owned by the State Highway Agency.