US Bridges

Lentner Road over Big Creek a Drain

PoorPosted for load

Arenac County, Michigan · 500 Ft N of Noggle Road · Structure no. 000000000000457

Built
1917
108 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
5
2016 count
Owner
County
County Highway Agency

About this bridge

Lentner Road over Big Creek a Drain is a steel stringer/multi-beam or girder carrying Lentner Road over Big Creek a Drain in Arenac County, Michigan. It was built in 1917, so it is 108 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 4 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 5 vehicles a day, projected to reach 25 by 2036. The structure is 25 ft (7.6 m) long and 15 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLentner Road
CrossesBig Creek a Drain
Location500 Ft N of Noggle Road
RouteCounty Highway 0
Coordinates44.05506, -83.766
Functional classRural Minor Collector

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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating34.3 US tons
Inventory rating20.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span20 ft (6.1 m)
Deck width15 ft (4.6 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2016)
Projected traffic25 by 2036
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$63,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lentner Road over Big Creek a Drain built?

It was built in 1917, making it 108 years old in 2025.

What condition is Lentner Road over Big Creek a Drain 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 August 2024.

How much traffic does Lentner Road over Big Creek a Drain carry?

About 5 vehicles per day (2016 count).

How long is Lentner Road over Big Creek a Drain?

The structure is 25 ft (7.6 m) long with a longest span of 20 ft (6.1 m) and a deck 15 ft wide.

Who owns Lentner Road over Big Creek a Drain?

It is owned by the County Highway Agency.