US Bridges

Parker RD over I-94

Fair

Washtenaw County, Michigan · 4.9 MI W of M-14 · Structure no. 000000000010944

Built
1961
64 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
250 ft
4 main spans
Daily traffic
2,534
1996 count
Owner
State
State Highway Agency

About this bridge

Parker RD over I-94 is a prestressed concrete stringer/multi-beam or girder carrying Parker RD over I-94 in Washtenaw County, Michigan. It was built in 1961, so it is 64 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 2,534 vehicles a day, roughly 3% of them trucks, projected to reach 2,914 by 2016. The structure is 250 ft (76.2 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesParker RD
CrossesI-94
Location4.9 MI W of M-14
RouteCounty Highway 0
CountyWashtenaw County
StateMichigan
Coordinates42.29757, -83.89845
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating35.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length250 ft (76.2 m)
Longest span71 ft (21.6 m)
Deck width33 ft (10.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,534 (1996)
Projected traffic2,914 by 2016
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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 Parker RD over I-94 built?

It was built in 1961, making it 64 years old in 2025.

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

About 2,534 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is Parker RD over I-94?

The structure is 250 ft (76.2 m) long with a longest span of 71 ft (21.6 m) and a deck 33 ft wide.

Who owns Parker RD over I-94?

It is owned by the State Highway Agency.