US Bridges

Miller RD over M-14

Poor

Washtenaw County, Michigan · 1.3 MI NE of I-94 · Structure no. 000000000010954

Built
1966
59 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
229 ft
4 main spans
Daily traffic
8,611
2010 count
Owner
State
State Highway Agency

About this bridge

Miller RD over M-14 is a steel stringer/multi-beam or girder carrying Miller RD over M-14 in Washtenaw County, Michigan. It was built in 1966, so it is 59 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.

It carries about 8,611 vehicles a day, roughly 3% of them trucks, projected to reach 9,472 by 2025. The structure is 229 ft (69.9 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesMiller RD
CrossesM-14
Location1.3 MI NE of I-94
RouteCity Street 2006
CountyWashtenaw County
StateMichigan
Coordinates42.29807, -83.78674
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length229 ft (69.9 m)
Longest span83 ft (25.2 m)
Deck width40 ft (12.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,611 (2010)
Projected traffic9,472 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Miller RD over M-14 built?

It was built in 1966, making it 59 years old in 2025.

What condition is Miller RD over M-14 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 September 2024.

How much traffic does Miller RD over M-14 carry?

About 8,611 vehicles per day (2010 count), of which roughly 3% are trucks.

How long is Miller RD over M-14?

The structure is 229 ft (69.9 m) long with a longest span of 83 ft (25.2 m) and a deck 40 ft wide.

Who owns Miller RD over M-14?

It is owned by the State Highway Agency.