US Bridges

Grey RD over Bullock Creek

Good

Midland County, Michigan · 0.4 M N of Stewart RD · Structure no. 000000000014614

Built
2022
3 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Steel
Length
50 ft
1 main span
Daily traffic
644
2022 count
Owner
County
County Highway Agency

About this bridge

Grey RD over Bullock Creek is a steel box beam or girders - single or spread carrying Grey RD over Bullock Creek in Midland County, Michigan. It was built in 2022, so it is 3 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 644 vehicles a day, roughly 1% of them trucks, projected to reach 957 by 2042. The structure is 50 ft (15.2 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGrey RD
CrossesBullock Creek
Location0.4 M N of Stewart RD
RouteCounty Highway 0
Coordinates43.58207, -84.27765
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating105.4 US tons

Structure

MaterialSteel
DeckConcrete, precast panels
Main spans1
Design loadGreater than HL 93
Structure length50 ft (15.2 m)
Longest span45 ft (13.7 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic644 (2022)
Projected traffic957 by 2042
Trucks1%
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 Grey RD over Bullock Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is Grey RD over Bullock 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 September 2024.

How much traffic does Grey RD over Bullock Creek carry?

About 644 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Grey RD over Bullock Creek?

The structure is 50 ft (15.2 m) long with a longest span of 45 ft (13.7 m) and a deck 39 ft wide.

Who owns Grey RD over Bullock Creek?

It is owned by the County Highway Agency.