US Bridges

University Drive over Grand Trunk Western RR

Fair

Oakland County, Michigan · 1 1/2 MI W Univer & I-75 · Structure no. 000000000008259

Built
1991
34 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
146 ft
3 main spans
Daily traffic
13,816
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

University Drive over Grand Trunk Western RR is a prestressed concrete box beam or girders - multiple carrying University Drive over Grand Trunk Western RR in Oakland County, Michigan. It was built in 1991, so it is 34 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 6 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 13,816 vehicles a day, projected to reach 15,265 by 2044. The structure is 146 ft (44.5 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUniversity Drive
CrossesGrand Trunk Western RR
Location1 1/2 MI W Univer & I-75
RouteCity Street 2059
CountyOakland County
StateMichigan
Coordinates42.65646, -83.25984
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 alignment9: Superior to present desirable criteria
Operating rating75 US tons
Inventory rating43.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length146 ft (44.5 m)
Longest span50 ft (15.2 m)
Deck width79 ft (24 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,816 (2022)
Projected traffic15,265 by 2044
Trucks0%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$93,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was University Drive over Grand Trunk Western RR built?

It was built in 1991, making it 34 years old in 2025.

What condition is University Drive over Grand Trunk Western RR 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 University Drive over Grand Trunk Western RR carry?

About 13,816 vehicles per day (2022 count).

How long is University Drive over Grand Trunk Western RR?

The structure is 146 ft (44.5 m) long with a longest span of 50 ft (15.2 m) and a deck 79 ft wide.

Who owns University Drive over Grand Trunk Western RR?

It is owned by the City or Municipal Highway Agency.