US Bridges

Swinson Neuman RD over Watson Drain

Good

Gladwin County, Michigan · 10 Rods E of Rhodes RD · Structure no. 000000000002920

Built
1994
31 years old
Condition
Good
inspected March 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
252
2000 count
Owner
County
County Highway Agency

About this bridge

Swinson Neuman RD over Watson Drain is a concrete culvert carrying Swinson Neuman RD over Watson Drain in Gladwin County, Michigan. It was built in 1994, so it is 31 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 252 vehicles a day, roughly 5% of them trucks, projected to reach 353 by 2020. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSwinson Neuman RD
CrossesWatson Drain
Location10 Rods E of Rhodes RD
RouteCounty Highway 0
Coordinates43.84066, -84.17555
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
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 traffic252 (2000)
Projected traffic353 by 2020
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Swinson Neuman RD over Watson Drain built?

It was built in 1994, making it 31 years old in 2025.

What condition is Swinson Neuman RD over Watson 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 March 2024.

How much traffic does Swinson Neuman RD over Watson Drain carry?

About 252 vehicles per day (2000 count), of which roughly 5% are trucks.

How long is Swinson Neuman RD over Watson Drain?

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

Who owns Swinson Neuman RD over Watson Drain?

It is owned by the County Highway Agency.