US Bridges

Amity ST over C O Railroad

PoorPosted for load

Muskegon County, Michigan · 0.02 E of Myrtle Ave · Structure no. 000000000007699

Built
1900
125 years old, rebuilt 1969
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
101 ft
5 main spans
Daily traffic
1,972
2004 count
Owner
City
City or Municipal Highway Agency

About this bridge

Amity ST over C O Railroad is a steel continuous stringer/multi-beam or girder carrying Amity ST over C O Railroad in Muskegon County, Michigan. It was built in 1900 and reconstructed in 1969, so it is 125 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. Its operating status is: posted for load restriction.

It carries about 1,972 vehicles a day, projected to reach 2,009 by 2024. The structure is 101 ft (30.7 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesAmity ST
CrossesC O Railroad
Location0.02 E of Myrtle Ave
RouteCity Street 0
Coordinates43.23608, -86.23936
Functional classUrban Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating26.5 US tons
Inventory rating15.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length101 ft (30.7 m)
Longest span29 ft (8.8 m)
Deck width32 ft (9.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,972 (2004)
Projected traffic2,009 by 2024
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Amity ST over C O Railroad built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1969.

What condition is Amity ST over C O Railroad 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 August 2024.

How much traffic does Amity ST over C O Railroad carry?

About 1,972 vehicles per day (2004 count).

How long is Amity ST over C O Railroad?

The structure is 101 ft (30.7 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.

Who owns Amity ST over C O Railroad?

It is owned by the City or Municipal Highway Agency.