US Bridges

Peacock Road over Little Manistee River

PoorPosted for load

Lake County, Michigan · 2 MI E 5 MI S of Irons · Structure no. 000000000005293

Built
1929
96 years old, rebuilt 1989
Condition
Poor
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
30
2007 count
Owner
County
County Highway Agency

About this bridge

Peacock Road over Little Manistee River is a steel stringer/multi-beam or girder carrying Peacock Road over Little Manistee River in Lake County, Michigan. It was built in 1929 and reconstructed in 1989, so it is 96 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 30 vehicles a day, projected to reach 50 by 2027. The structure is 27 ft (8.2 m) long and 24 ft wide. If it were closed, the detour would be 124.9 mi (201 km).

CarriesPeacock Road
CrossesLittle Manistee River
Location2 MI E 5 MI S of Irons
RouteCounty Highway 0
Coordinates44.06574, -85.88346
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19 US tons
Inventory rating11 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2007)
Projected traffic50 by 2027
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.9 mi (201 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 Peacock Road over Little Manistee River built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1989.

What condition is Peacock Road over Little Manistee River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does Peacock Road over Little Manistee River carry?

About 30 vehicles per day (2007 count).

How long is Peacock Road over Little Manistee River?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns Peacock Road over Little Manistee River?

It is owned by the County Highway Agency.