US Bridges

M-123 over Auger Creek

Poor

Luce County, Michigan · 7.5 MI N of Newberry · Structure no. 000000000005900

Built
1937
88 years old
Condition
Poor
inspected October 2024
Type
Culvert
Steel
Length
36 ft
2 main spans
Daily traffic
574
2007 count
Owner
State
State Highway Agency

About this bridge

M-123 over Auger Creek is a steel culvert carrying M-123 over Auger Creek in Luce County, Michigan. It was built in 1937, so it is 88 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.

It carries about 574 vehicles a day, roughly 9% of them trucks, projected to reach 772 by 2018. The structure is 36 ft (11 m) long.

CarriesM-123
CrossesAuger Creek
Location7.5 MI N of Newberry
RouteState Highway 123
Coordinates46.44037, -85.48221
Functional classRural Minor Arterial

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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionOctober 2024
Inspection intervalevery 6 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length36 ft (11 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic574 (2007)
Projected traffic772 by 2018
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 M-123 over Auger Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is M-123 over Auger Creek 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 October 2024.

How much traffic does M-123 over Auger Creek carry?

About 574 vehicles per day (2007 count), of which roughly 9% are trucks.

How long is M-123 over Auger Creek?

The structure is 36 ft (11 m) long with a longest span of 16 ft (4.9 m).

Who owns M-123 over Auger Creek?

It is owned by the State Highway Agency.