US Bridges

Linwood Road over N Br Kawkawlin River

Fair

Bay County, Michigan · 1000 Ft E of Carter RD · Structure no. 000000000000714

Built
2000
25 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
542
2000 count
Owner
County
County Highway Agency

About this bridge

Linwood Road over N Br Kawkawlin River is a prestressed concrete box beam or girders - multiple carrying Linwood Road over N Br Kawkawlin River in Bay County, Michigan. It was built in 2000, so it is 25 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.

It carries about 542 vehicles a day, roughly 7% of them trucks, projected to reach 867 by 2020. The structure is 62 ft (18.9 m) long and 37 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesLinwood Road
CrossesN Br Kawkawlin River
Location1000 Ft E of Carter RD
RouteCounty Highway 0
CountyBay County
StateMichigan
Coordinates43.73993, -84.12346
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span60 ft (18.3 m)
Deck width37 ft (11.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic542 (2000)
Projected traffic867 by 2020
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$480,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Linwood Road over N Br Kawkawlin River built?

It was built in 2000, making it 25 years old in 2025.

What condition is Linwood Road over N Br Kawkawlin 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 May 2024.

How much traffic does Linwood Road over N Br Kawkawlin River carry?

About 542 vehicles per day (2000 count), of which roughly 7% are trucks.

How long is Linwood Road over N Br Kawkawlin River?

The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 37 ft wide.

Who owns Linwood Road over N Br Kawkawlin River?

It is owned by the County Highway Agency.