US Bridges

Diener Road over Weeks Drain

Good

Saginaw County, Michigan · 0.5 MI N of Dice Road · Structure no. 000000000009392

Built
1991
34 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
43
2010 count
Owner
County
County Highway Agency

About this bridge

Diener Road over Weeks Drain is a concrete culvert carrying Diener Road over Weeks Drain in Saginaw County, Michigan. It was built in 1991, so it is 34 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.

It carries about 43 vehicles a day, roughly 5% of them trucks, projected to reach 45 by 2020. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDiener Road
CrossesWeeks Drain
Location0.5 MI N of Dice Road
RouteCounty Highway 0
Coordinates43.4737, -84.24012
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating76.1 US tons
Inventory rating45.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2010)
Projected traffic45 by 2020
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Diener Road over Weeks Drain built?

It was built in 1991, making it 34 years old in 2025.

What condition is Diener 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 Diener Road over Weeks Drain carry?

About 43 vehicles per day (2010 count), of which roughly 5% are trucks.

How long is Diener Road over Weeks Drain?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m).

Who owns Diener Road over Weeks Drain?

It is owned by the County Highway Agency.