US Bridges

Ferden Road over Northwood Drain

Poor

Saginaw County, Michigan · 0.9 MI E of Lincoln Road · Structure no. 000000000009363

Built
1975
50 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
327
2024 count
Owner
County
County Highway Agency

About this bridge

Ferden Road over Northwood Drain is a steel stringer/multi-beam or girder carrying Ferden Road over Northwood Drain in Saginaw County, Michigan. It was built in 1975, so it is 50 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 327 vehicles a day, roughly 5% of them trucks, projected to reach 380 by 2034. The structure is 34 ft (10.3 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFerden Road
CrossesNorthwood Drain
Location0.9 MI E of Lincoln Road
RouteCounty Highway 0
Coordinates43.16141, -83.9698
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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length34 ft (10.3 m)
Longest span34 ft (10.3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic327 (2024)
Projected traffic380 by 2034
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ferden Road over Northwood Drain built?

It was built in 1975, making it 50 years old in 2025.

What condition is Ferden Road over Northwood Drain 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 October 2024.

How much traffic does Ferden Road over Northwood Drain carry?

About 327 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Ferden Road over Northwood Drain?

The structure is 34 ft (10.3 m) long with a longest span of 34 ft (10.3 m) and a deck 30 ft wide.

Who owns Ferden Road over Northwood Drain?

It is owned by the County Highway Agency.