US Bridges

Morrice Road over Lookingglass River

GoodPosted for load

Shiawassee County, Michigan · 2 Miles North of Morrice · Structure no. 000000000009811

Built
1952
73 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
1,534
2011 count
Owner
County
County Highway Agency

About this bridge

Morrice Road over Lookingglass River is a steel stringer/multi-beam or girder carrying Morrice Road over Lookingglass River in Shiawassee County, Michigan. It was built in 1952, so it is 73 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 1,534 vehicles a day, roughly 15% of them trucks, projected to reach 2,280 by 2031. The structure is 65 ft (19.8 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMorrice Road
CrossesLookingglass River
Location2 Miles North of Morrice
RouteCounty Highway 7643
Coordinates42.87857, -84.18203
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating31.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length65 ft (19.8 m)
Longest span60 ft (18.2 m)
Deck width29 ft (8.8 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,534 (2011)
Projected traffic2,280 by 2031
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$404,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Morrice Road over Lookingglass River built?

It was built in 1952, making it 73 years old in 2025.

What condition is Morrice Road over Lookingglass River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does Morrice Road over Lookingglass River carry?

About 1,534 vehicles per day (2011 count), of which roughly 15% are trucks.

How long is Morrice Road over Lookingglass River?

The structure is 65 ft (19.8 m) long with a longest span of 60 ft (18.2 m) and a deck 29 ft wide.

Who owns Morrice Road over Lookingglass River?

It is owned by the County Highway Agency.