US Bridges

Clay Road over Union Drain #2

Good

Branch County, Michigan · Union Twp Sec 15-16 · Structure no. 000000000012819

Built
2023
2 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
62
2022 count
Owner
County
County Highway Agency

About this bridge

Clay Road over Union Drain #2 is a concrete culvert carrying Clay Road over Union Drain #2 in Branch County, Michigan. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 62 vehicles a day, roughly 5% of them trucks, projected to reach 92 by 2042. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesClay Road
CrossesUnion Drain #2
LocationUnion Twp Sec 15-16
RouteCounty Highway 0
Coordinates42.03811, -85.11919
Functional classRural Major Collector

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.
Culvert9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating84.3 US tons
Inventory rating65 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (2022)
Projected traffic92 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$190,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Clay Road over Union Drain #2 built?

It was built in 2023, making it 2 years old in 2025.

What condition is Clay Road over Union Drain #2 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 October 2023.

How much traffic does Clay Road over Union Drain #2 carry?

About 62 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Clay Road over Union Drain #2?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Clay Road over Union Drain #2?

It is owned by the County Highway Agency.