US Bridges

Sackett Road over Swan Creek Drain #5100

FairPosted for load

Branch County, Michigan · Bronson Twp Sec 3-10 · Structure no. 000000000001150

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
221
2004 count
Owner
County
County Highway Agency

About this bridge

Sackett Road over Swan Creek Drain #5100 is a prestressed concrete box beam or girders - multiple carrying Sackett Road over Swan Creek Drain #5100 in Branch County, Michigan. It was built in 1987, so it is 38 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 221 vehicles a day, roughly 4% of them trucks, projected to reach 239 by 2024. The structure is 66 ft (20.1 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSackett Road
CrossesSwan Creek Drain #5100
LocationBronson Twp Sec 3-10
RouteCounty Highway 0
Coordinates41.8834, -85.23307
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating20.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span61 ft (18.6 m)
Deck width31 ft (9.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic221 (2004)
Projected traffic239 by 2024
Trucks4%
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 Sackett Road over Swan Creek Drain #5100 built?

It was built in 1987, making it 38 years old in 2025.

What condition is Sackett Road over Swan Creek Drain #5100 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 October 2024.

How much traffic does Sackett Road over Swan Creek Drain #5100 carry?

About 221 vehicles per day (2004 count), of which roughly 4% are trucks.

How long is Sackett Road over Swan Creek Drain #5100?

The structure is 66 ft (20.1 m) long with a longest span of 61 ft (18.6 m) and a deck 31 ft wide.

Who owns Sackett Road over Swan Creek Drain #5100?

It is owned by the County Highway Agency.