US Bridges

Brooks Road over Silver Creek

FairPosted for load

Iosco County, Michigan · 600 Ft S of Curtis Road · Structure no. 000000000004160

Built
1935
90 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
70
2004 count
Owner
County
County Highway Agency

About this bridge

Brooks Road over Silver Creek is a steel stringer/multi-beam or girder carrying Brooks Road over Silver Creek in Iosco County, Michigan. It was built in 1935, so it is 90 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 70 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2024. The structure is 25 ft (7.7 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBrooks Road
CrossesSilver Creek
Location600 Ft S of Curtis Road
RouteCounty Highway 0
CountyIosco County
StateMichigan
Coordinates44.36588, -83.50286
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating8.6 US tons
Inventory rating5.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span24 ft (7.3 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2004)
Projected traffic130 by 2024
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$324,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Brooks Road over Silver Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Brooks Road over Silver 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 June 2024.

How much traffic does Brooks Road over Silver Creek carry?

About 70 vehicles per day (2004 count), of which roughly 10% are trucks.

How long is Brooks Road over Silver Creek?

The structure is 25 ft (7.7 m) long with a longest span of 24 ft (7.3 m) and a deck 20 ft wide.

Who owns Brooks Road over Silver Creek?

It is owned by the County Highway Agency.