US Bridges

Iva Road over Whitmore Drain

Fair

Saginaw County, Michigan · 0.2 MI N of Geddes Road · Structure no. 000000000009388

Built
1975
50 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
30 ft
1 main span
Daily traffic
185
2010 count
Owner
County
County Highway Agency

About this bridge

Iva Road over Whitmore Drain is a steel culvert carrying Iva Road over Whitmore 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 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 185 vehicles a day, projected to reach 194 by 2020. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIva Road
CrossesWhitmore Drain
Location0.2 MI N of Geddes Road
RouteCounty Highway 0
CountySaginaw County
StateMichigan
Coordinates43.43083, -84.26931
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic185 (2010)
Projected traffic194 by 2020
Trucks—
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 Iva Road over Whitmore Drain built?

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

What condition is Iva Road over Whitmore Drain 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 August 2023.

How much traffic does Iva Road over Whitmore Drain carry?

About 185 vehicles per day (2010 count).

How long is Iva Road over Whitmore Drain?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m).

Who owns Iva Road over Whitmore Drain?

It is owned by the County Highway Agency.