US Bridges

I-94 WB over Pierce RD

Fair

Washtenaw County, Michigan · 3.3 MI E of Jackson Col · Structure no. 000000000010938

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
119 ft
3 main spans
Daily traffic
25,302
2007 count
Owner
State
State Highway Agency

About this bridge

I-94 WB over Pierce RD is a steel stringer/multi-beam or girder carrying I-94 WB over Pierce RD in Washtenaw County, Michigan. It was built in 1960, so it is 65 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 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 25,302 vehicles a day, roughly 15% of them trucks, projected to reach 28,365 by 2018. The structure is 119 ft (36.2 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-94 WB
CrossesPierce RD
Location3.3 MI E of Jackson Col
RouteInterstate 94
CountyWashtenaw County
StateMichigan
Coordinates42.2925, -84.06919
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 inspectionJuly 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 geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length119 ft (36.2 m)
Longest span45 ft (13.7 m)
Deck width47 ft (14.3 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,302 (2007)
Projected traffic28,365 by 2018
Trucks15%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$84,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-94 WB over Pierce RD built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-94 WB over Pierce RD 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 July 2024.

How much traffic does I-94 WB over Pierce RD carry?

About 25,302 vehicles per day (2007 count), of which roughly 15% are trucks.

How long is I-94 WB over Pierce RD?

The structure is 119 ft (36.2 m) long with a longest span of 45 ft (13.7 m) and a deck 47 ft wide.

Who owns I-94 WB over Pierce RD?

It is owned by the State Highway Agency.