US Bridges

Babcock Road over Looking Glass River

Poor

Clinton County, Michigan · 0.5 MI S of Round Lake RD · Structure no. 000000000002017

Built
1984
41 years old
Condition
Poor
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
97 ft
2 main spans
Daily traffic
144
2011 count
Owner
County
County Highway Agency

About this bridge

Babcock Road over Looking Glass River is a prestressed concrete box beam or girders - multiple carrying Babcock Road over Looking Glass River in Clinton County, Michigan. It was built in 1984, so it is 41 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 144 vehicles a day, projected to reach 260 by 2031. The structure is 97 ft (29.5 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesBabcock Road
CrossesLooking Glass River
Location0.5 MI S of Round Lake RD
RouteCounty Highway 0
CountyClinton County
StateMichigan
Coordinates42.86964, -84.45291
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.8 US tons
Inventory rating44 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length97 ft (29.5 m)
Longest span48 ft (14.6 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic144 (2011)
Projected traffic260 by 2031
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Babcock Road over Looking Glass River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Babcock Road over Looking Glass 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 October 2024.

How much traffic does Babcock Road over Looking Glass River carry?

About 144 vehicles per day (2011 count).

How long is Babcock Road over Looking Glass River?

The structure is 97 ft (29.5 m) long with a longest span of 48 ft (14.6 m) and a deck 31 ft wide.

Who owns Babcock Road over Looking Glass River?

It is owned by the County Highway Agency.