US Bridges

Anderson Road over N Br of Kawkawlin River

Fair

Bay County, Michigan · 300 Ft W of Flajole RD · Structure no. 000000000000686

Built
1961
64 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
1,415
2020 count
Owner
County
County Highway Agency

About this bridge

Anderson Road over N Br of Kawkawlin River is a steel stringer/multi-beam or girder carrying Anderson Road over N Br of Kawkawlin River in Bay County, Michigan. It was built in 1961, so it is 64 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.

It carries about 1,415 vehicles a day, roughly 5% of them trucks, projected to reach 2,103 by 2040. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesAnderson Road
CrossesN Br of Kawkawlin River
Location300 Ft W of Flajole RD
RouteCounty Highway 0
CountyBay County
StateMichigan
Coordinates43.75443, -84.14492
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length40 ft (12.2 m)
Longest span35 ft (10.6 m)
Deck width29 ft (8.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,415 (2020)
Projected traffic2,103 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$320,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Anderson Road over N Br of Kawkawlin River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Anderson Road over N Br of 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 Anderson Road over N Br of Kawkawlin River carry?

About 1,415 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Anderson Road over N Br of Kawkawlin River?

The structure is 40 ft (12.2 m) long with a longest span of 35 ft (10.6 m) and a deck 29 ft wide.

Who owns Anderson Road over N Br of Kawkawlin River?

It is owned by the County Highway Agency.