US Bridges

Six Mile RD over I-96

Fair

Wayne County, Michigan · In Livonia · Structure no. 000000000011614

Built
1974
51 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
307 ft
4 main spans
Daily traffic
17,600
1977 count
Owner
State
State Highway Agency

About this bridge

Six Mile RD over I-96 is a steel stringer/multi-beam or girder carrying Six Mile RD over I-96 in Wayne County, Michigan. It was built in 1974, so it is 51 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 17,600 vehicles a day, roughly 3% of them trucks, projected to reach 17,600 by 1977. The structure is 307 ft (93.6 m) long and 78 ft wide.

CarriesSix Mile RD
CrossesI-96
LocationIn Livonia
RouteCounty Highway 2057
Coordinates42.41062, -83.42348
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 inspectionOctober 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.7 US tons
Inventory rating45.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length307 ft (93.6 m)
Longest span122 ft (37.3 m)
Deck width78 ft (23.9 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,600 (1977)
Projected traffic17,600 by 1977
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Six Mile RD over I-96 built?

It was built in 1974, making it 51 years old in 2025.

What condition is Six Mile RD over I-96 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 October 2024.

How much traffic does Six Mile RD over I-96 carry?

About 17,600 vehicles per day (1977 count), of which roughly 3% are trucks.

How long is Six Mile RD over I-96?

The structure is 307 ft (93.6 m) long with a longest span of 122 ft (37.3 m) and a deck 78 ft wide.

Who owns Six Mile RD over I-96?

It is owned by the State Highway Agency.