US Bridges

Chandler RD over Looking Glass River

Fair

Clinton County, Michigan · 1/4 MI S of Round Lake RD · Structure no. 000000000001932

Built
1961
64 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
2 main spans
Daily traffic
1,954
2011 count
Owner
County
County Highway Agency

About this bridge

Chandler RD over Looking Glass River is a prestressed concrete box beam or girders - multiple carrying Chandler RD over Looking Glass River in Clinton County, Michigan. It was built in 1961, so it is 64 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,954 vehicles a day, roughly 2% of them trucks, projected to reach 3,529 by 2031. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesChandler RD
CrossesLooking Glass River
Location1/4 MI S of Round Lake RD
RouteCounty Highway 1975
CountyClinton County
StateMichigan
Coordinates42.86135, -84.48408
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating46.4 US tons
Inventory rating33.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadH 20
Structure length93 ft (28.3 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,954 (2011)
Projected traffic3,529 by 2031
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$100,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Chandler RD over Looking Glass River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Chandler RD over Looking Glass River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Chandler RD over Looking Glass River carry?

About 1,954 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Chandler RD over Looking Glass River?

The structure is 93 ft (28.3 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns Chandler RD over Looking Glass River?

It is owned by the County Highway Agency.