US Bridges

Slattery Road over Cedar Creek

Fair

Lapeer County, Michigan · Sec. 23-24 N. Branch Twp. · Structure no. 000000000005457

Built
1995
30 years old
Condition
Fair
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
169
2020 count
Owner
County
County Highway Agency

About this bridge

Slattery Road over Cedar Creek is a prestressed concrete tee beam carrying Slattery Road over Cedar Creek in Lapeer County, Michigan. It was built in 1995, so it is 30 years old, younger 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 169 vehicles a day, projected to reach 206 by 2040. The structure is 36 ft (10.9 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSlattery Road
CrossesCedar Creek
LocationSec. 23-24 N. Branch Twp.
RouteCounty Highway 0
Coordinates43.18758, -83.13533
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating37.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span34 ft (10.3 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169 (2020)
Projected traffic206 by 2040
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 Slattery Road over Cedar Creek built?

It was built in 1995, making it 30 years old in 2025.

What condition is Slattery Road over Cedar 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 July 2023.

How much traffic does Slattery Road over Cedar Creek carry?

About 169 vehicles per day (2020 count).

How long is Slattery Road over Cedar Creek?

The structure is 36 ft (10.9 m) long with a longest span of 34 ft (10.3 m) and a deck 32 ft wide.

Who owns Slattery Road over Cedar Creek?

It is owned by the County Highway Agency.