US Bridges

Tank Site No 2 over E Br Au Sable River

Fair

Crawford County, Michigan · 0.52 MI S of CO Road 612 · Structure no. 000000000013995

Built
1998
27 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
33 ft
1 main span
Daily traffic
50
2017 count
Owner
State
Other State Agency

About this bridge

Tank Site No 2 over E Br Au Sable River is a wood or timber slab carrying Tank Site No 2 over E Br Au Sable River in Crawford County, Michigan. It was built in 1998, so it is 27 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 50 vehicles a day, projected to reach 58 by 2037. The structure is 33 ft (10 m) long and 17 ft wide.

Location

Open in Google Maps
CarriesTank Site No 2
CrossesE Br Au Sable River
Location0.52 MI S of CO Road 612
CountyCrawford County
StateMichigan
Coordinates44.783, -84.6032
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
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 inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating103.2 US tons
Inventory rating79.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadUnknown
Structure length33 ft (10 m)
Longest span30 ft (9.1 m)
Deck width17 ft (5.2 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2017)
Projected traffic58 by 2037
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther State Agency
Maintained byOther State 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 Tank Site No 2 over E Br Au Sable River built?

It was built in 1998, making it 27 years old in 2025.

What condition is Tank Site No 2 over E Br Au Sable 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 September 2024.

How much traffic does Tank Site No 2 over E Br Au Sable River carry?

About 50 vehicles per day (2017 count).

How long is Tank Site No 2 over E Br Au Sable River?

The structure is 33 ft (10 m) long with a longest span of 30 ft (9.1 m) and a deck 17 ft wide.

Who owns Tank Site No 2 over E Br Au Sable River?

It is owned by the Other State Agency.