US Bridges

Michigan Ave over Horse Creek

Good

Gratiot County, Michigan · City of ST Louis · Structure no. 000000000003255

Built
1994
31 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
5,068
2001 count
Owner
City
City or Municipal Highway Agency

About this bridge

Michigan Ave over Horse Creek is a prestressed concrete box beam or girders - multiple carrying Michigan Ave over Horse Creek in Gratiot County, Michigan. It was built in 1994, so it is 31 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,068 vehicles a day, roughly 8% of them trucks, projected to reach 9,153 by 2020. The structure is 54 ft (16.4 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMichigan Ave
CrossesHorse Creek
LocationCity of ST Louis
RouteCity Street 0
Coordinates43.39349, -84.62585
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable 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 alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating42.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,068 (2001)
Projected traffic9,153 by 2020
Trucks8%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Michigan Ave over Horse Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Michigan Ave over Horse Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Michigan Ave over Horse Creek carry?

About 5,068 vehicles per day (2001 count), of which roughly 8% are trucks.

How long is Michigan Ave over Horse Creek?

The structure is 54 ft (16.4 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns Michigan Ave over Horse Creek?

It is owned by the City or Municipal Highway Agency.