US Bridges

River Road over Hog Creek

PoorPosted for load

Branch County, Michigan · Girard Twp Sec 17-18 · Structure no. 000000000001164

Built
1963
62 years old
Condition
Poor
inspected October 2024
Type
Slab
Wood or Timber
Length
49 ft
2 main spans
Daily traffic
207
2004 count
Owner
County
County Highway Agency

About this bridge

River Road over Hog Creek is a wood or timber slab carrying River Road over Hog Creek in Branch County, Michigan. It was built in 1963, so it is 62 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 207 vehicles a day, roughly 4% of them trucks, projected to reach 281 by 2024. The structure is 49 ft (14.8 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRiver Road
CrossesHog Creek
LocationGirard Twp Sec 17-18
RouteCounty Highway 0
Coordinates42.03606, -85.04032
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
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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating24.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20
Structure length49 ft (14.8 m)
Longest span24 ft (7.2 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic207 (2004)
Projected traffic281 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$298,000
NavigationNo navigation control on waterway

Frequently asked questions

When was River Road over Hog Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is River Road over 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 River Road over Hog Creek carry?

About 207 vehicles per day (2004 count), of which roughly 4% are trucks.

How long is River Road over Hog Creek?

The structure is 49 ft (14.8 m) long with a longest span of 24 ft (7.2 m) and a deck 27 ft wide.

Who owns River Road over Hog Creek?

It is owned by the County Highway Agency.