US Bridges

Mt Hope RD (CO555) over Fish Creek

Fair

Montcalm County, Michigan · .05 W of Carson City · Structure no. 000000000007477

Built
1993
32 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
3,191
2016 count
Owner
County
County Highway Agency

About this bridge

Mt Hope RD (CO555) over Fish Creek is a prestressed concrete box beam or girders - multiple carrying Mt Hope RD (CO555) over Fish Creek in Montcalm County, Michigan. It was built in 1993, so it is 32 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 3,191 vehicles a day, roughly 2% of them trucks, projected to reach 3,894 by 2036. The structure is 50 ft (15.2 m) long and 38 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesMt Hope RD (CO555)
CrossesFish Creek
Location.05 W of Carson City
RouteCounty Highway 5999
CountyMontcalm County
StateMichigan
Coordinates43.1959, -84.85083
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating101.4 US tons
Inventory rating60.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width38 ft (11.6 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,191 (2016)
Projected traffic3,894 by 2036
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Mt Hope RD (CO555) over Fish Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Mt Hope RD (CO555) over Fish Creek 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 September 2023.

How much traffic does Mt Hope RD (CO555) over Fish Creek carry?

About 3,191 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Mt Hope RD (CO555) over Fish Creek?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 38 ft wide.

Who owns Mt Hope RD (CO555) over Fish Creek?

It is owned by the County Highway Agency.