US Bridges

Norway Lake Road over South Br. Flint River

GoodPosted for load

Lapeer County, Michigan · Sec. 36 Marathon Twp. · Structure no. 000000000005438

Built
1991
34 years old
Condition
Good
inspected July 2023
Type
Tee Beam
Prestressed Concrete
Length
100 ft
3 main spans
Daily traffic
120
2019 count
Owner
County
County Highway Agency

About this bridge

Norway Lake Road over South Br. Flint River is a prestressed concrete tee beam carrying Norway Lake Road over South Br. Flint River in Lapeer County, Michigan. It was built in 1991, so it is 34 years old, younger 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 120 vehicles a day, projected to reach 146 by 2039. The structure is 100 ft (30.4 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNorway Lake Road
CrossesSouth Br. Flint River
LocationSec. 36 Marathon Twp.
RouteCounty Highway 0
Coordinates43.14528, -83.35335
Functional classRural Local

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 protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length100 ft (30.4 m)
Longest span32 ft (9.7 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2019)
Projected traffic146 by 2039
Trucks0%
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 Norway Lake Road over South Br. Flint River built?

It was built in 1991, making it 34 years old in 2025.

What condition is Norway Lake Road over South Br. Flint 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 July 2023.

How much traffic does Norway Lake Road over South Br. Flint River carry?

About 120 vehicles per day (2019 count).

How long is Norway Lake Road over South Br. Flint River?

The structure is 100 ft (30.4 m) long with a longest span of 32 ft (9.7 m) and a deck 32 ft wide.

Who owns Norway Lake Road over South Br. Flint River?

It is owned by the County Highway Agency.