US Bridges

Upton Road over Looking Glass River

Fair

Clinton County, Michigan · 1/2 MI S of Chadwick RD · Structure no. 000000000001939

Built
1963
62 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
116 ft
3 main spans
Daily traffic
1,602
2011 count
Owner
County
County Highway Agency

About this bridge

Upton Road over Looking Glass River is a prestressed concrete box beam or girders - multiple carrying Upton Road over Looking Glass River in Clinton County, Michigan. It was built in 1963, so it is 62 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 1,602 vehicles a day, projected to reach 2,893 by 2031. The structure is 116 ft (35.3 m) long and 30 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesUpton Road
CrossesLooking Glass River
Location1/2 MI S of Chadwick RD
RouteCounty Highway 1985
CountyClinton County
StateMichigan
Coordinates42.86642, -84.40886
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadH 20
Structure length116 ft (35.3 m)
Longest span39 ft (11.8 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,602 (2011)
Projected traffic2,893 by 2031
Trucks0%
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 Upton Road over Looking Glass River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Upton Road 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 Upton Road over Looking Glass River carry?

About 1,602 vehicles per day (2011 count).

How long is Upton Road over Looking Glass River?

The structure is 116 ft (35.3 m) long with a longest span of 39 ft (11.8 m) and a deck 30 ft wide.

Who owns Upton Road over Looking Glass River?

It is owned by the County Highway Agency.