US Bridges

Courtney Road over Pine Run Creek

Poor

Saginaw County, Michigan · 0.7 MI E of Marshall Road · Structure no. 000000000009414

Built
1967
58 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
37 ft
1 main span
Daily traffic
79
2023 count
Owner
County
County Highway Agency

About this bridge

Courtney Road over Pine Run Creek is a steel stringer/multi-beam or girder carrying Courtney Road over Pine Run Creek in Saginaw County, Michigan. It was built in 1967, so it is 58 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 79 vehicles a day, roughly 5% of them trucks, projected to reach 111 by 2033. The structure is 37 ft (11.2 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCourtney Road
CrossesPine Run Creek
Location0.7 MI E of Marshall Road
RouteCounty Highway 0
Coordinates43.22865, -83.84122
Functional classRural Local

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length37 ft (11.2 m)
Longest span35 ft (10.6 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2023)
Projected traffic111 by 2033
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Courtney Road over Pine Run Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Courtney Road over Pine Run 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 Courtney Road over Pine Run Creek carry?

About 79 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Courtney Road over Pine Run Creek?

The structure is 37 ft (11.2 m) long with a longest span of 35 ft (10.6 m) and a deck 20 ft wide.

Who owns Courtney Road over Pine Run Creek?

It is owned by the County Highway Agency.