US Bridges

Fenner Road over Lookingglass River

FairPosted for load

Shiawassee County, Michigan · 3 MI SE of Laingsburg · Structure no. 000000000009808

Built
1962
63 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
86 ft
2 main spans
Daily traffic
680
2011 count
Owner
County
County Highway Agency

About this bridge

Fenner Road over Lookingglass River is a steel stringer/multi-beam or girder carrying Fenner Road over Lookingglass River in Shiawassee County, Michigan. It was built in 1962, so it is 63 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. Its operating status is: posted for load restriction.

It carries about 680 vehicles a day, roughly 5% of them trucks, projected to reach 1,010 by 2031. The structure is 86 ft (26.2 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesFenner Road
CrossesLookingglass River
Location3 MI SE of Laingsburg
RouteCounty Highway 0
CountyShiawassee County
StateMichigan
Coordinates42.86786, -84.28535
Functional classRural Minor 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 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
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length86 ft (26.2 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic680 (2011)
Projected traffic1,010 by 2031
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Fenner Road over Lookingglass River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Fenner Road over Lookingglass 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 April 2024.

How much traffic does Fenner Road over Lookingglass River carry?

About 680 vehicles per day (2011 count), of which roughly 5% are trucks.

How long is Fenner Road over Lookingglass River?

The structure is 86 ft (26.2 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns Fenner Road over Lookingglass River?

It is owned by the County Highway Agency.