US Bridges

US-24 over Huron River

Fair

Monroe County, Michigan · @ Wayne CO Line · Structure no. 000000000007133

Built
2001
24 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
188 ft
2 main spans
Daily traffic
24,306
2007 count
Owner
State
State Highway Agency

About this bridge

US-24 over Huron River is a prestressed concrete box beam or girders - single or spread carrying US-24 over Huron River in Monroe County, Michigan. It was built in 2001, so it is 24 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 24,306 vehicles a day, roughly 1% of them trucks, projected to reach 31,889 by 2018. The structure is 188 ft (57.4 m) long and 77 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesUS-24
CrossesHuron River
Location@ Wayne CO Line
RouteU.S. Route 24
Coordinates42.09469, -83.29492
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length188 ft (57.4 m)
Longest span94 ft (28.7 m)
Deck width77 ft (23.4 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,306 (2007)
Projected traffic31,889 by 2018
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-24 over Huron River built?

It was built in 2001, making it 24 years old in 2025.

What condition is US-24 over Huron River 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 August 2023.

How much traffic does US-24 over Huron River carry?

About 24,306 vehicles per day (2007 count), of which roughly 1% are trucks.

How long is US-24 over Huron River?

The structure is 188 ft (57.4 m) long with a longest span of 94 ft (28.7 m) and a deck 77 ft wide.

Who owns US-24 over Huron River?

It is owned by the State Highway Agency.