US Bridges

Sleepy Hollow FH54 over Bluff Creek

Fair

Ontonagon County, Michigan · 9 MI S of Bruce Crossing · Structure no. 000000000008514

Built
1985
40 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
100
1997 count
Owner
County
County Highway Agency

About this bridge

Sleepy Hollow FH54 over Bluff Creek is a prestressed concrete box beam or girders - multiple carrying Sleepy Hollow FH54 over Bluff Creek in Ontonagon County, Michigan. It was built in 1985, so it is 40 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 100 vehicles a day, projected to reach 100 by 2017. The structure is 55 ft (16.7 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSleepy Hollow FH54
CrossesBluff Creek
Location9 MI S of Bruce Crossing
RouteCounty Highway 6612
CountyOntonagon County
StateMichigan
Coordinates46.40511, -89.20434
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating37 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length55 ft (16.7 m)
Longest span53 ft (16.1 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (1997)
Projected traffic100 by 2017
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Sleepy Hollow FH54 over Bluff Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Sleepy Hollow FH54 over Bluff Creek 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 October 2023.

How much traffic does Sleepy Hollow FH54 over Bluff Creek carry?

About 100 vehicles per day (1997 count).

How long is Sleepy Hollow FH54 over Bluff Creek?

The structure is 55 ft (16.7 m) long with a longest span of 53 ft (16.1 m) and a deck 31 ft wide.

Who owns Sleepy Hollow FH54 over Bluff Creek?

It is owned by the County Highway Agency.