US Bridges

Zeeb RD over I-94

Fair

Washtenaw County, Michigan · 1.5 MI W of M-14 · Structure no. 000000000010946

Built
2002
23 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
313 ft
4 main spans
Daily traffic
18,625
1993 count
Owner
State
State Highway Agency

About this bridge

Zeeb RD over I-94 is a prestressed concrete box beam or girders - multiple carrying Zeeb RD over I-94 in Washtenaw County, Michigan. It was built in 2002, so it is 23 years old, younger 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 18,625 vehicles a day, roughly 3% of them trucks, projected to reach 32,400 by 2020. The structure is 313 ft (95.5 m) long and 85 ft wide.

CarriesZeeb RD
CrossesI-94
Location1.5 MI W of M-14
RouteCounty Highway 2006
Coordinates42.2911, -83.8386
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length313 ft (95.5 m)
Longest span107 ft (32.7 m)
Deck width85 ft (25.8 m)
Roadway width76 ft (23.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,625 (1993)
Projected traffic32,400 by 2020
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Zeeb RD over I-94 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Zeeb RD over I-94 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 Zeeb RD over I-94 carry?

About 18,625 vehicles per day (1993 count), of which roughly 3% are trucks.

How long is Zeeb RD over I-94?

The structure is 313 ft (95.5 m) long with a longest span of 107 ft (32.7 m) and a deck 85 ft wide.

Who owns Zeeb RD over I-94?

It is owned by the State Highway Agency.