US Bridges

Saginaw ST U-Trn over I-94

Fair

Wayne County, Michigan · In Detroit · Structure no. 000000000011226

Built
1983
42 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
161 ft
2 main spans
Daily traffic
1,500
1982 count
Owner
State
State Highway Agency

About this bridge

Saginaw ST U-Trn over I-94 is a steel continuous stringer/multi-beam or girder carrying Saginaw ST U-Trn over I-94 in Wayne County, Michigan. It was built in 1983, so it is 42 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 1,500 vehicles a day, roughly 3% of them trucks, projected to reach 1,725 by 2002. The structure is 161 ft (49 m) long and 49 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSaginaw ST U-Trn
CrossesI-94
LocationIn Detroit
RouteCity Street 2000
Coordinates42.37855, -83.0349
Functional classUrban Local

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length161 ft (49 m)
Longest span81 ft (24.7 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,500 (1982)
Projected traffic1,725 by 2002
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 Saginaw ST U-Trn over I-94 built?

It was built in 1983, making it 42 years old in 2025.

What condition is Saginaw ST U-Trn 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 April 2024.

How much traffic does Saginaw ST U-Trn over I-94 carry?

About 1,500 vehicles per day (1982 count), of which roughly 3% are trucks.

How long is Saginaw ST U-Trn over I-94?

The structure is 161 ft (49 m) long with a longest span of 81 ft (24.7 m) and a deck 49 ft wide.

Who owns Saginaw ST U-Trn over I-94?

It is owned by the State Highway Agency.