US Bridges

Jerusalem Road over Mill Creek

PoorPosted for load

Washtenaw County, Michigan · Lima Twp Sec 23 & 26 · Structure no. 000000000011015

Built
1974
51 years old
Condition
Poor
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
129
2005 count
Owner
County
County Highway Agency

About this bridge

Jerusalem Road over Mill Creek is a prestressed concrete box beam or girders - multiple carrying Jerusalem Road over Mill Creek in Washtenaw County, Michigan. It was built in 1974, so it is 51 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 129 vehicles a day, roughly 5% of them trucks, projected to reach 233 by 2025. The structure is 34 ft (10.3 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesJerusalem Road
CrossesMill Creek
LocationLima Twp Sec 23 & 26
RouteCounty Highway 0
Coordinates42.28186, -83.92268
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.8 US tons
Inventory rating26.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.3 m)
Longest span33 ft (10 m)
Deck width18 ft (5.4 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic129 (2005)
Projected traffic233 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$140,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Jerusalem Road over Mill Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Jerusalem Road over Mill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Jerusalem Road over Mill Creek carry?

About 129 vehicles per day (2005 count), of which roughly 5% are trucks.

How long is Jerusalem Road over Mill Creek?

The structure is 34 ft (10.3 m) long with a longest span of 33 ft (10 m) and a deck 18 ft wide.

Who owns Jerusalem Road over Mill Creek?

It is owned by the County Highway Agency.