US Bridges

Bootjack RD T641 over Mccallum Creek

Fair

Houghton County, Michigan · 3 MI S of Lake Linden · Structure no. 000000000003419

Built
1980
45 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
864
1993 count
Owner
County
County Highway Agency

About this bridge

Bootjack RD T641 over Mccallum Creek is a prestressed concrete box beam or girders - multiple carrying Bootjack RD T641 over Mccallum Creek in Houghton 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 864 vehicles a day, projected to reach 900 by 2013. The structure is 60 ft (18.2 m) long and 35 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesBootjack RD T641
CrossesMccallum Creek
Location3 MI S of Lake Linden
RouteCounty Highway 3177
CountyHoughton County
StateMichigan
Coordinates47.15516, -88.39255
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckSteel plate
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.2 m)
Longest span56 ft (17 m)
Deck width35 ft (10.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic864 (1993)
Projected traffic900 by 2013
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 Bootjack RD T641 over Mccallum Creek built?

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

What condition is Bootjack RD T641 over Mccallum Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Bootjack RD T641 over Mccallum Creek carry?

About 864 vehicles per day (1993 count).

How long is Bootjack RD T641 over Mccallum Creek?

The structure is 60 ft (18.2 m) long with a longest span of 56 ft (17 m) and a deck 35 ft wide.

Who owns Bootjack RD T641 over Mccallum Creek?

It is owned by the County Highway Agency.