US Bridges

Iva Road over Weeks Drain

GoodPosted for load

Saginaw County, Michigan · 0.1 MI N of Dice Road · Structure no. 000000000009389

Built
1992
33 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
76
2010 count
Owner
County
County Highway Agency

About this bridge

Iva Road over Weeks Drain is a steel culvert carrying Iva Road over Weeks Drain in Saginaw County, Michigan. It was built in 1992, so it is 33 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 76 vehicles a day, roughly 5% of them trucks, projected to reach 80 by 2020. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIva Road
CrossesWeeks Drain
Location0.1 MI N of Dice Road
RouteCounty Highway 0
Coordinates43.4645, -84.26966
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating9.3 US tons
Inventory rating6.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic76 (2010)
Projected traffic80 by 2020
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 Iva Road over Weeks Drain built?

It was built in 1992, making it 33 years old in 2025.

What condition is Iva Road over Weeks Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Iva Road over Weeks Drain carry?

About 76 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Iva Road over Weeks Drain?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m).

Who owns Iva Road over Weeks Drain?

It is owned by the County Highway Agency.