US Bridges

US-24 I-75 Conn SB over US-24 NB

Poor

Wayne County, Michigan · In Taylor over US-24 NB · Structure no. 000000000011883

Built
1964
61 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
193 ft
3 main spans
Daily traffic
9,440
2007 count
Owner
State
State Highway Agency

About this bridge

US-24 I-75 Conn SB over US-24 NB is a steel stringer/multi-beam or girder carrying US-24 I-75 Conn SB over US-24 NB in Wayne County, Michigan. It was built in 1964, so it is 61 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 9,440 vehicles a day, roughly 11% of them trucks, projected to reach 9,227 by 2018. The structure is 193 ft (58.8 m) long and 44 ft wide.

CarriesUS-24 I-75 Conn SB
CrossesUS-24 NB
LocationIn Taylor over US-24 NB
RouteU.S. Route 24
Coordinates42.19238, -83.26684
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, 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 inspectionNovember 2024
Inspection intervalevery 12 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length193 ft (58.8 m)
Longest span81 ft (24.7 m)
Deck width44 ft (13.3 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,440 (2007)
Projected traffic9,227 by 2018
Trucks11%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 US-24 I-75 Conn SB over US-24 NB built?

It was built in 1964, making it 61 years old in 2025.

What condition is US-24 I-75 Conn SB over US-24 NB in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does US-24 I-75 Conn SB over US-24 NB carry?

About 9,440 vehicles per day (2007 count), of which roughly 11% are trucks.

How long is US-24 I-75 Conn SB over US-24 NB?

The structure is 193 ft (58.8 m) long with a longest span of 81 ft (24.7 m) and a deck 44 ft wide.

Who owns US-24 I-75 Conn SB over US-24 NB?

It is owned by the State Highway Agency.