US Bridges

Francis Road over Looking Glass River

FairPosted for load

Clinton County, Michigan · 1/4 MI S of Herbison RD · Structure no. 000000000001926

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
80 ft
1 main span
Daily traffic
3,149
2011 count
Owner
County
County Highway Agency

About this bridge

Francis Road over Looking Glass River is a prestressed concrete box beam or girders - multiple carrying Francis Road over Looking Glass River in Clinton County, Michigan. It was built in 1986, so it is 39 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 3,149 vehicles a day, roughly 2% of them trucks, projected to reach 5,687 by 2031. The structure is 80 ft (24.3 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesFrancis Road
CrossesLooking Glass River
Location1/4 MI S of Herbison RD
RouteCounty Highway 1937
Coordinates42.82416, -84.66165
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.8 US tons
Inventory rating10.4 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length80 ft (24.3 m)
Longest span80 ft (24.3 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,149 (2011)
Projected traffic5,687 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Francis Road over Looking Glass River built?

It was built in 1986, making it 39 years old in 2025.

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

About 3,149 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Francis Road over Looking Glass River?

The structure is 80 ft (24.3 m) long with a longest span of 80 ft (24.3 m) and a deck 44 ft wide.

Who owns Francis Road over Looking Glass River?

It is owned by the County Highway Agency.