US Bridges

Worth Road over I-75 NB|US-23 NB

Fair

Arenac County, Michigan · 6.5 MI SW of Standish · Structure no. 000000000000420

Built
1968
57 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
214 ft
2 main spans
Daily traffic
250
1984 count
Owner
State
State Highway Agency

About this bridge

Worth Road over I-75 NB|US-23 NB is a steel continuous stringer/multi-beam or girder carrying Worth Road over I-75 NB|US-23 NB in Arenac County, Michigan. It was built in 1968, so it is 57 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 250 vehicles a day, projected to reach 280 by 2004. The structure is 214 ft (65.3 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesWorth Road
CrossesI-75 NB|US-23 NB
Location6.5 MI SW of Standish
RouteCounty Highway 0
CountyArenac County
StateMichigan
Coordinates43.9254, -84.01942
Functional classRural Major Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating74.3 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length214 ft (65.3 m)
Longest span106 ft (32.4 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (1984)
Projected traffic280 by 2004
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 Worth Road over I-75 NB|US-23 NB built?

It was built in 1968, making it 57 years old in 2025.

What condition is Worth Road over I-75 NB|US-23 NB 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 June 2024.

How much traffic does Worth Road over I-75 NB|US-23 NB carry?

About 250 vehicles per day (1984 count).

How long is Worth Road over I-75 NB|US-23 NB?

The structure is 214 ft (65.3 m) long with a longest span of 106 ft (32.4 m) and a deck 32 ft wide.

Who owns Worth Road over I-75 NB|US-23 NB?

It is owned by the State Highway Agency.