US Bridges

Brennan Road over Weeks Drain

Fair

Saginaw County, Michigan · 0.4 MI N of Dice Road · Structure no. 000000000009391

Built
2000
25 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
98
2008 count
Owner
County
County Highway Agency

About this bridge

Brennan Road over Weeks Drain is a steel stringer/multi-beam or girder carrying Brennan Road over Weeks Drain in Saginaw County, Michigan. It was built in 2000, so it is 25 years old, younger 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 5 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 98 vehicles a day, roughly 5% of them trucks, projected to reach 103 by 2018. The structure is 31 ft (9.6 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBrennan Road
CrossesWeeks Drain
Location0.4 MI N of Dice Road
RouteCounty Highway 0
Coordinates43.47013, -84.24991
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55 US tons
Inventory rating32.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length31 ft (9.6 m)
Longest span30 ft (9.1 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic98 (2008)
Projected traffic103 by 2018
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Brennan Road over Weeks Drain built?

It was built in 2000, making it 25 years old in 2025.

What condition is Brennan Road over Weeks 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 Brennan Road over Weeks Drain carry?

About 98 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is Brennan Road over Weeks Drain?

The structure is 31 ft (9.6 m) long with a longest span of 30 ft (9.1 m) and a deck 20 ft wide.

Who owns Brennan Road over Weeks Drain?

It is owned by the County Highway Agency.