US Bridges

Rauch RD over US-23

Poor

Monroe County, Michigan · 1.7 MI N of US-223 · Structure no. 000000000007106

Built
1959
66 years old
Condition
Poor
inspected April 2023
Type
Tee Beam
Concrete Continuous
Length
202 ft
4 main spans
Daily traffic
330
1974 count
Owner
State
State Highway Agency

About this bridge

Rauch RD over US-23 is a concrete continuous tee beam carrying Rauch 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 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.

It carries about 330 vehicles a day, projected to reach 330 by 1977. The structure is 202 ft (61.5 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRauch RD
CrossesUS-23
Location1.7 MI N of US-223
RouteCounty Highway 0
Coordinates41.82211, -83.68414
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 rating56.1 US tons
Inventory rating33.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length202 ft (61.5 m)
Longest span59 ft (17.9 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (1974)
Projected traffic330 by 1977
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 Rauch RD over US-23 built?

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

What condition is Rauch 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 2023.

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

About 330 vehicles per day (1974 count).

How long is Rauch RD over US-23?

The structure is 202 ft (61.5 m) long with a longest span of 59 ft (17.9 m) and a deck 33 ft wide.

Who owns Rauch RD over US-23?

It is owned by the State Highway Agency.