US Bridges

Old Camp 4 Road over Sand River

PoorPosted for load

Marquette County, Michigan · Use Lat Lon & Hope 2 Find · Structure no. 000000000013729

Built
1980
45 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
24 ft
2 main spans
Daily traffic
5
2013 count
Owner
State
Other State Agency

About this bridge

Old Camp 4 Road over Sand River is a wood or timber stringer/multi-beam or girder carrying Old Camp 4 Road over Sand River in Marquette County, Michigan. It was built in 1980, so it is 45 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 2 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 5 vehicles a day, projected to reach 6 by 2033. The structure is 24 ft (7.3 m) long and 14 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesOld Camp 4 Road
CrossesSand River
LocationUse Lat Lon & Hope 2 Find
RouteState Lands Road 0
Coordinates46.45078, -87.15044
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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.8 US tons
Inventory rating28.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span13 ft (4 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2013)
Projected traffic6 by 2033
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Old Camp 4 Road over Sand River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Old Camp 4 Road over Sand River 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 Old Camp 4 Road over Sand River carry?

About 5 vehicles per day (2013 count).

How long is Old Camp 4 Road over Sand River?

The structure is 24 ft (7.3 m) long with a longest span of 13 ft (4 m) and a deck 14 ft wide.

Who owns Old Camp 4 Road over Sand River?

It is owned by the Other State Agency.