US Bridges

Moon Lake Road over Dollar Lake Channel

Good

Jackson County, Michigan · 2.5 M N 1.8 M W Napoleon · Structure no. 000000000004515

Built
2019
6 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
29 ft
1 main span
Daily traffic
1,050
2018 count
Owner
County
County Highway Agency

About this bridge

Moon Lake Road over Dollar Lake Channel is a concrete culvert carrying Moon Lake Road over Dollar Lake Channel in Jackson County, Michigan. It was built in 2019, so it is 6 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,050 vehicles a day, roughly 1% of them trucks, projected to reach 1,281 by 2038. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMoon Lake Road
CrossesDollar Lake Channel
Location2.5 M N 1.8 M W Napoleon
RouteCounty Highway 0
Coordinates42.19677, -84.2808
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating82.1 US tons
Inventory rating67.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length29 ft (8.8 m)
Longest span29 ft (8.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2018)
Projected traffic1,281 by 2038
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$906,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Moon Lake Road over Dollar Lake Channel built?

It was built in 2019, making it 6 years old in 2025.

What condition is Moon Lake Road over Dollar Lake Channel 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 July 2023.

How much traffic does Moon Lake Road over Dollar Lake Channel carry?

About 1,050 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Moon Lake Road over Dollar Lake Channel?

The structure is 29 ft (8.8 m) long with a longest span of 29 ft (8.8 m).

Who owns Moon Lake Road over Dollar Lake Channel?

It is owned by the County Highway Agency.