US Bridges

Giles Road over Green Creek

Fair

Muskegon County, Michigan · 5.2 MI W of US-31 · Structure no. 000000000007642

Built
1940
85 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
24 ft
1 main span
Daily traffic
4,103
2002 count
Owner
County
County Highway Agency

About this bridge

Giles Road over Green Creek is a wood or timber slab carrying Giles Road over Green Creek in Muskegon County, Michigan. It was built in 1940 and reconstructed in 1995, so it is 85 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,103 vehicles a day, roughly 7% of them trucks, projected to reach 6,100 by 2022. The structure is 24 ft (7.3 m) long and 39 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesGiles Road
CrossesGreen Creek
Location5.2 MI W of US-31
RouteCounty Highway 6144
Coordinates43.27875, -86.30469
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum 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 alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,103 (2002)
Projected traffic6,100 by 2022
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Giles Road over Green Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1995.

What condition is Giles Road over Green 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 September 2024.

How much traffic does Giles Road over Green Creek carry?

About 4,103 vehicles per day (2002 count), of which roughly 7% are trucks.

How long is Giles Road over Green Creek?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 39 ft wide.

Who owns Giles Road over Green Creek?

It is owned by the County Highway Agency.