US Bridges

Jackson Av WB 94BR over I-94 Ramp

Fair

Washtenaw County, Michigan · 0.5 MI W of I-94 Bl · Structure no. 000000000010949

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
22,470
2001 count
Owner
State
State Highway Agency

About this bridge

Jackson Av WB 94BR over I-94 Ramp is a steel stringer/multi-beam or girder carrying Jackson Av WB 94BR over I-94 Ramp 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 22,470 vehicles a day, roughly 19% of them trucks, projected to reach 42,000 by 2021. The structure is 119 ft (36.3 m) long and 35 ft wide.

CarriesJackson Av WB 94BR
CrossesI-94 Ramp
Location0.5 MI W of I-94 Bl
RouteInterstate 94
Coordinates42.28528, -83.79445
Functional classUrban Other Principal 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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating47.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length119 ft (36.3 m)
Longest span42 ft (12.8 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,470 (2001)
Projected traffic42,000 by 2021
Trucks19%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Jackson Av WB 94BR over I-94 Ramp built?

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

What condition is Jackson Av WB 94BR over I-94 Ramp 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 Jackson Av WB 94BR over I-94 Ramp carry?

About 22,470 vehicles per day (2001 count), of which roughly 19% are trucks.

How long is Jackson Av WB 94BR over I-94 Ramp?

The structure is 119 ft (36.3 m) long with a longest span of 42 ft (12.8 m) and a deck 35 ft wide.

Who owns Jackson Av WB 94BR over I-94 Ramp?

It is owned by the State Highway Agency.