US Bridges

Seven Mile Road over Bullock Creek

Good

Midland County, Michigan · 0.2 MI N of Laporte RD · Structure no. 000000000007005

Built
2019
6 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
437
1999 count
Owner
County
County Highway Agency

About this bridge

Seven Mile Road over Bullock Creek is a concrete slab carrying Seven Mile Road over Bullock Creek in Midland County, Michigan. It was built in 2019, so it is 6 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 437 vehicles a day, roughly 7% of them trucks, projected to reach 649 by 2019. The structure is 30 ft (9.1 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSeven Mile Road
CrossesBullock Creek
Location0.2 MI N of Laporte RD
RouteCounty Highway 0
CountyMidland County
StateMichigan
Coordinates43.49845, -84.38963
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length30 ft (9.1 m)
Longest span22 ft (6.7 m)
Deck width36 ft (11 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic437 (1999)
Projected traffic649 by 2019
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$335,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Seven Mile Road over Bullock Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is Seven Mile Road 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 June 2024.

How much traffic does Seven Mile Road over Bullock Creek carry?

About 437 vehicles per day (1999 count), of which roughly 7% are trucks.

How long is Seven Mile Road over Bullock Creek?

The structure is 30 ft (9.1 m) long with a longest span of 22 ft (6.7 m) and a deck 36 ft wide.

Who owns Seven Mile Road over Bullock Creek?

It is owned by the County Highway Agency.