US Bridges

Bass Lake RD FH36 over Little Manistee River

Good

Lake County, Michigan · 4 MI SW of Irons · Structure no. 000000000005280

Built
2007
18 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
642
2006 count
Owner
County
County Highway Agency

About this bridge

Bass Lake RD FH36 over Little Manistee River is a prestressed concrete box beam or girders - multiple carrying Bass Lake RD FH36 over Little Manistee River in Lake County, Michigan. It was built in 2007, so it is 18 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 642 vehicles a day, projected to reach 1,160 by 2026. The structure is 75 ft (22.9 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesBass Lake RD FH36
CrossesLittle Manistee River
Location4 MI SW of Irons
RouteCounty Highway 4303
Coordinates44.12063, -85.983
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.2 US tons
Inventory rating36.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length75 ft (22.9 m)
Longest span72 ft (21.9 m)
Deck width37 ft (11.4 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic642 (2006)
Projected traffic1,160 by 2026
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Bass Lake RD FH36 over Little Manistee River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Bass Lake RD FH36 over Little Manistee River 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 May 2023.

How much traffic does Bass Lake RD FH36 over Little Manistee River carry?

About 642 vehicles per day (2006 count).

How long is Bass Lake RD FH36 over Little Manistee River?

The structure is 75 ft (22.9 m) long with a longest span of 72 ft (21.9 m) and a deck 37 ft wide.

Who owns Bass Lake RD FH36 over Little Manistee River?

It is owned by the County Highway Agency.