US Bridges

Mentel RD over Stony Creek

Fair

Monroe County, Michigan · 0.1 MI N of Nadeau RD · Structure no. 000000000007274

Built
1929
96 years old, rebuilt 1977
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
99 ft
2 main spans
Daily traffic
1,047
2017 count
Owner
County
County Highway Agency

About this bridge

Mentel RD over Stony Creek is a prestressed concrete box beam or girders - multiple carrying Mentel RD over Stony Creek in Monroe County, Michigan. It was built in 1929 and reconstructed in 1977, so it is 96 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 1,047 vehicles a day, roughly 15% of them trucks, projected to reach 1,204 by 2037. The structure is 99 ft (30.2 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMentel RD
CrossesStony Creek
Location0.1 MI N of Nadeau RD
RouteCounty Highway 0
Coordinates41.96395, -83.33926
Functional classUrban 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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating82.9 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length99 ft (30.2 m)
Longest span48 ft (14.7 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,047 (2017)
Projected traffic1,204 by 2037
Trucks15%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mentel RD over Stony Creek built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1977.

What condition is Mentel RD over Stony Creek 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 September 2023.

How much traffic does Mentel RD over Stony Creek carry?

About 1,047 vehicles per day (2017 count), of which roughly 15% are trucks.

How long is Mentel RD over Stony Creek?

The structure is 99 ft (30.2 m) long with a longest span of 48 ft (14.7 m) and a deck 31 ft wide.

Who owns Mentel RD over Stony Creek?

It is owned by the County Highway Agency.