US Bridges

Morenci Road over Ranger Creek

Poor

Lenawee County, Michigan · 0.5 MI East of Ranger HWY · Structure no. 000000000005543

Built
1950
75 years old
Condition
Poor
inspected July 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
1,698
2012 count
Owner
County
County Highway Agency

About this bridge

Morenci Road over Ranger Creek is a concrete slab carrying Morenci Road over Ranger Creek in Lenawee County, Michigan. It was built in 1950, so it is 75 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.

It carries about 1,698 vehicles a day, roughly 9% of them trucks, projected to reach 4,610 by 2031. The structure is 27 ft (8.2 m) long and 45 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesMorenci Road
CrossesRanger Creek
Location0.5 MI East of Ranger HWY
RouteCounty Highway 4602
CountyLenawee County
StateMichigan
Coordinates41.7182, -84.23843
Functional classRural Major 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusOpen, no 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width45 ft (13.7 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,698 (2012)
Projected traffic4,610 by 2031
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Morenci Road over Ranger Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Morenci Road over Ranger 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 July 2024.

How much traffic does Morenci Road over Ranger Creek carry?

About 1,698 vehicles per day (2012 count), of which roughly 9% are trucks.

How long is Morenci Road over Ranger Creek?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 45 ft wide.

Who owns Morenci Road over Ranger Creek?

It is owned by the County Highway Agency.