US Bridges

Log Road over South Br Swan Creek

PoorPosted for load

Branch County, Michigan · Bethel Twp Sec 8 · Structure no. 000000000001149

Built
1982
43 years old
Condition
Poor
inspected October 2024
Type
Culvert
Steel
Length
41 ft
3 main spans
Daily traffic
110
2004 count
Owner
County
County Highway Agency

About this bridge

Log Road over South Br Swan Creek is a steel culvert carrying Log Road over South Br Swan Creek in Branch 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 110 vehicles a day, roughly 5% of them trucks, projected to reach 171 by 2024. The structure is 41 ft (12.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLog Road
CrossesSouth Br Swan Creek
LocationBethel Twp Sec 8
RouteCounty Highway 0
Coordinates41.87708, -85.13754
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating15 US tons
Inventory rating8.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadH 20
Structure length41 ft (12.5 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2004)
Projected traffic171 by 2024
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Log Road over South Br Swan Creek built?

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

What condition is Log Road over South Br 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 October 2024.

How much traffic does Log Road over South Br Swan Creek carry?

About 110 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is Log Road over South Br Swan Creek?

The structure is 41 ft (12.5 m) long with a longest span of 12 ft (3.6 m).

Who owns Log Road over South Br Swan Creek?

It is owned by the County Highway Agency.