US Bridges

Jonesville Road over South Br Hog Creek

PoorPosted for load

Branch County, Michigan · Butler Twp Sec 35 · Structure no. 000000000001115

Built
1964
61 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
610
2004 count
Owner
County
County Highway Agency

About this bridge

Jonesville Road over South Br Hog Creek is a prestressed concrete box beam or girders - multiple carrying Jonesville Road over South Br Hog Creek in Branch County, Michigan. It was built in 1964, so it is 61 years old, older 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 4 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 610 vehicles a day, roughly 4% of them trucks, projected to reach 811 by 2024. The structure is 48 ft (14.6 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesJonesville Road
CrossesSouth Br Hog Creek
LocationButler Twp Sec 35
RouteCounty Highway 1274
Coordinates41.98568, -84.86334
Functional classRural Major Collector

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.1 US tons
Inventory rating31.4 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadH 20
Structure length48 ft (14.6 m)
Longest span47 ft (14.3 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2004)
Projected traffic811 by 2024
Trucks4%
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 Jonesville Road over South Br Hog Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Jonesville Road over South Br Hog 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 Jonesville Road over South Br Hog Creek carry?

About 610 vehicles per day (2004 count), of which roughly 4% are trucks.

How long is Jonesville Road over South Br Hog Creek?

The structure is 48 ft (14.6 m) long with a longest span of 47 ft (14.3 m) and a deck 30 ft wide.

Who owns Jonesville Road over South Br Hog Creek?

It is owned by the County Highway Agency.