US Bridges

Miller Road over Silver Creek

Good

Hillsdale County, Michigan · 0.4 MI W of M-99 · Structure no. 000000000003349

Built
1983
42 years old
Condition
Good
inspected November 2024
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
43
2014 count
Owner
County
County Highway Agency

About this bridge

Miller Road over Silver Creek is a steel culvert carrying Miller Road over Silver Creek in Hillsdale County, Michigan. It was built in 1983, so it is 42 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 43 vehicles a day, projected to reach 71 by 2038. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMiller Road
CrossesSilver Creek
Location0.4 MI W of M-99
RouteCounty Highway 0
Coordinates41.73849, -84.56253
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.3 US tons
Inventory rating35.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2014)
Projected traffic71 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Miller Road over Silver Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Miller Road over Silver 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 November 2024.

How much traffic does Miller Road over Silver Creek carry?

About 43 vehicles per day (2014 count).

How long is Miller Road over Silver Creek?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.3 m).

Who owns Miller Road over Silver Creek?

It is owned by the County Highway Agency.