US Bridges

Parr HWY over Penn-Central Railroad

Fair

Lenawee County, Michigan · North of Deerfield RD · Structure no. 000000000005598

Built
1994
31 years old
Condition
Fair
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
114 ft
3 main spans
Daily traffic
3,962
2008 count
Owner
County
County Highway Agency

About this bridge

Parr HWY over Penn-Central Railroad is a prestressed concrete box beam or girders - multiple carrying Parr HWY over Penn-Central Railroad in Lenawee County, Michigan. It was built in 1994, so it is 31 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 6 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 3,962 vehicles a day, roughly 15% of them trucks, projected to reach 7,800 by 2031. The structure is 114 ft (34.7 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesParr HWY
CrossesPenn-Central Railroad
LocationNorth of Deerfield RD
RouteCounty Highway 2017
CountyLenawee County
StateMichigan
Coordinates41.89039, -84.00436
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating59.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length114 ft (34.7 m)
Longest span38 ft (11.5 m)
Deck width41 ft (12.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,962 (2008)
Projected traffic7,800 by 2031
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Parr HWY over Penn-Central Railroad built?

It was built in 1994, making it 31 years old in 2025.

What condition is Parr HWY over Penn-Central Railroad 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 December 2023.

How much traffic does Parr HWY over Penn-Central Railroad carry?

About 3,962 vehicles per day (2008 count), of which roughly 15% are trucks.

How long is Parr HWY over Penn-Central Railroad?

The structure is 114 ft (34.7 m) long with a longest span of 38 ft (11.5 m) and a deck 41 ft wide.

Who owns Parr HWY over Penn-Central Railroad?

It is owned by the County Highway Agency.