US Bridges

Hack RD over N Macon Creek

Good

Lenawee County, Michigan · 0.2 MI W of Co. Line HWY · Structure no. 000000000005653

Built
2005
20 years old
Condition
Good
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
98
2011 count
Owner
County
County Highway Agency

About this bridge

Hack RD over N Macon Creek is a prestressed concrete box beam or girders - multiple carrying Hack RD over N Macon Creek in Lenawee County, Michigan. It was built in 2005, so it is 20 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 98 vehicles a day, roughly 1% of them trucks, projected to reach 200 by 2031. The structure is 48 ft (14.6 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHack RD
CrossesN Macon Creek
Location0.2 MI W of Co. Line HWY
RouteCounty Highway 0
Coordinates42.08238, -83.77816
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.1 US tons
Inventory rating49.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2011)
Projected traffic200 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Hack RD over N Macon Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Hack RD over N Macon Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2025.

How much traffic does Hack RD over N Macon Creek carry?

About 98 vehicles per day (2011 count), of which roughly 1% are trucks.

How long is Hack RD over N Macon Creek?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 31 ft wide.

Who owns Hack RD over N Macon Creek?

It is owned by the County Highway Agency.