US Bridges

Lyons HWY over Nile Drain

Poor

Lenawee County, Michigan · 0.3 MI S of Mulberry RD · Structure no. 000000000013278

Built
1977
48 years old
Condition
Poor
inspected November 2024
Type
Culvert
Steel
Length
28 ft
2 main spans
Daily traffic
507
2010 count
Owner
County
County Highway Agency

About this bridge

Lyons HWY over Nile Drain is a steel culvert carrying Lyons HWY over Nile Drain in Lenawee County, Michigan. It was built in 1977, so it is 48 years old, younger 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.

It carries about 507 vehicles a day, roughly 2% of them trucks, projected to reach 1,200 by 2031. The structure is 28 ft (8.5 m) long.

CarriesLyons HWY
CrossesNile Drain
Location0.3 MI S of Mulberry RD
RouteCounty Highway 0
Coordinates41.737, -84.07719
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating104.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic507 (2010)
Projected traffic1,200 by 2031
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$300,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lyons HWY over Nile Drain built?

It was built in 1977, making it 48 years old in 2025.

What condition is Lyons HWY over Nile 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 November 2024.

How much traffic does Lyons HWY over Nile Drain carry?

About 507 vehicles per day (2010 count), of which roughly 2% are trucks.

How long is Lyons HWY over Nile Drain?

The structure is 28 ft (8.5 m) long with a longest span of 11 ft (3.4 m).

Who owns Lyons HWY over Nile Drain?

It is owned by the County Highway Agency.