US Bridges

Riley Road over Sucker Creek

Fair

Tuscola County, Michigan · Sec 8-17 Wells Twp · Structure no. 000000000010662

Built
1973
52 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
520
1994 count
Owner
County
County Highway Agency

About this bridge

Riley Road over Sucker Creek is a prestressed concrete tee beam carrying Riley Road over Sucker Creek in Tuscola County, Michigan. It was built in 1973, so it is 52 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 520 vehicles a day, projected to reach 200 by 1977. The structure is 38 ft (11.6 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRiley Road
CrossesSucker Creek
LocationSec 8-17 Wells Twp
RouteCounty Highway 0
Coordinates43.46821, -83.32671
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (1994)
Projected traffic200 by 1977
Trucks0%
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 Riley Road over Sucker Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Riley Road over Sucker 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 April 2024.

How much traffic does Riley Road over Sucker Creek carry?

About 520 vehicles per day (1994 count).

How long is Riley Road over Sucker Creek?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11.1 m) and a deck 32 ft wide.

Who owns Riley Road over Sucker Creek?

It is owned by the County Highway Agency.