US Bridges

Shepherd RD over Wolf Creek

Fair

Lenawee County, Michigan · 0.2 MI East of Townline · Structure no. 000000000005576

Built
1996
29 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
432
2013 count
Owner
County
County Highway Agency

About this bridge

Shepherd RD over Wolf Creek is a prestressed concrete box beam or girders - multiple carrying Shepherd RD over Wolf Creek in Lenawee County, Michigan. It was built in 1996, so it is 29 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 432 vehicles a day, roughly 2% of them trucks, projected to reach 1,750 by 2031. The structure is 55 ft (16.7 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesShepherd RD
CrossesWolf Creek
Location0.2 MI East of Townline
RouteCounty Highway 4674
CountyLenawee County
StateMichigan
Coordinates41.97162, -84.12577
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating85.4 US tons
Inventory rating51.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length55 ft (16.7 m)
Longest span51 ft (15.5 m)
Deck width34 ft (10.4 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic432 (2013)
Projected traffic1,750 by 2031
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Shepherd RD over Wolf Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Shepherd RD over Wolf 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 May 2023.

How much traffic does Shepherd RD over Wolf Creek carry?

About 432 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Shepherd RD over Wolf Creek?

The structure is 55 ft (16.7 m) long with a longest span of 51 ft (15.5 m) and a deck 34 ft wide.

Who owns Shepherd RD over Wolf Creek?

It is owned by the County Highway Agency.