US Bridges

Sweitzer Road over Swan Creek

PoorPosted for load

Monroe County, Michigan · 0.55 MI N of Ready Road · Structure no. 000000000007313

Built
1982
43 years old
Condition
Poor
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
114 ft
3 main spans
Daily traffic
220
2008 count
Owner
County
County Highway Agency

About this bridge

Sweitzer Road over Swan Creek is a prestressed concrete box beam or girders - multiple carrying Sweitzer Road over Swan Creek in Monroe County, Michigan. It was built in 1982, so it is 43 years old, younger 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 3 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. Its operating status is: posted for load restriction.

It carries about 220 vehicles a day, roughly 14% of them trucks, projected to reach 253 by 2028. The structure is 114 ft (34.7 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSweitzer Road
CrossesSwan Creek
Location0.55 MI N of Ready Road
RouteCounty Highway 0
Coordinates42.05834, -83.34633
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.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span36 ft (10.9 m)
Deck width31 ft (9.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2008)
Projected traffic253 by 2028
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Sweitzer Road over Swan Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Sweitzer Road over Swan Creek 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 June 2024.

How much traffic does Sweitzer Road over Swan Creek carry?

About 220 vehicles per day (2008 count), of which roughly 14% are trucks.

How long is Sweitzer Road over Swan Creek?

The structure is 114 ft (34.7 m) long with a longest span of 36 ft (10.9 m) and a deck 31 ft wide.

Who owns Sweitzer Road over Swan Creek?

It is owned by the County Highway Agency.