US Bridges

Riley ST over Pine Creek

Poor

Ottawa County, Michigan · Section 18 Holland Twp · Structure no. 000000000008885

Built
1972
53 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
13,227
2019 count
Owner
County
County Highway Agency

About this bridge

Riley ST over Pine Creek is a steel stringer/multi-beam or girder carrying Riley ST over Pine Creek in Ottawa County, Michigan. It was built in 1972, so it is 53 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13,227 vehicles a day, roughly 5% of them trucks, projected to reach 23,890 by 2039. The structure is 33 ft (10 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRiley ST
CrossesPine Creek
LocationSection 18 Holland Twp
RouteCounty Highway 0
CountyOttawa County
StateMichigan
Coordinates42.82666, -86.12758
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating46.1 US tons
Inventory rating27.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10 m)
Longest span31 ft (9.4 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,227 (2019)
Projected traffic23,890 by 2039
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Riley ST over Pine Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is Riley ST over Pine Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does Riley ST over Pine Creek carry?

About 13,227 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Riley ST over Pine Creek?

The structure is 33 ft (10 m) long with a longest span of 31 ft (9.4 m) and a deck 36 ft wide.

Who owns Riley ST over Pine Creek?

It is owned by the County Highway Agency.