US Bridges

Joy Road over M-14

Fair

Washtenaw County, Michigan · 5.0 M SW of Plymouth · Structure no. 000000000010923

Built
1975
50 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
324 ft
4 main spans
Daily traffic
220
1997 count
Owner
State
State Highway Agency

About this bridge

Joy Road over M-14 is a steel stringer/multi-beam or girder carrying Joy Road over M-14 in Washtenaw County, Michigan. It was built in 1975, so it is 50 years old, older 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 220 vehicles a day, roughly 3% of them trucks, projected to reach 253 by 2017. The structure is 324 ft (98.8 m) long and 40 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesJoy Road
CrossesM-14
Location5.0 M SW of Plymouth
RouteCounty Highway 0
CountyWashtenaw County
StateMichigan
Coordinates42.34809, -83.59361
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.3 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length324 ft (98.8 m)
Longest span119 ft (36.3 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (1997)
Projected traffic253 by 2017
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Joy Road over M-14 built?

It was built in 1975, making it 50 years old in 2025.

What condition is Joy Road over M-14 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 September 2024.

How much traffic does Joy Road over M-14 carry?

About 220 vehicles per day (1997 count), of which roughly 3% are trucks.

How long is Joy Road over M-14?

The structure is 324 ft (98.8 m) long with a longest span of 119 ft (36.3 m) and a deck 40 ft wide.

Who owns Joy Road over M-14?

It is owned by the State Highway Agency.