US Bridges

Bent Oak HWY over Beaver Creek

Good

Lenawee County, Michigan · 0.3 MI North of Moore RD · Structure no. 000000000005616

Built
2016
9 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
1,059
2015 count
Owner
County
County Highway Agency

About this bridge

Bent Oak HWY over Beaver Creek is a prestressed concrete box beam or girders - multiple carrying Bent Oak HWY over Beaver Creek in Lenawee County, Michigan. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,059 vehicles a day, roughly 1% of them trucks, projected to reach 1,735 by 2035. The structure is 50 ft (15.2 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBent Oak HWY
CrossesBeaver Creek
Location0.3 MI North of Moore RD
RouteCounty Highway 0
Coordinates41.94635, -84.03554
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable 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 rating68.6 US tons
Inventory rating52.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length50 ft (15.2 m)
Longest span48 ft (14.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,059 (2015)
Projected traffic1,735 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$240,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Bent Oak HWY over Beaver Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Bent Oak HWY over Beaver Creek 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 August 2024.

How much traffic does Bent Oak HWY over Beaver Creek carry?

About 1,059 vehicles per day (2015 count), of which roughly 1% are trucks.

How long is Bent Oak HWY over Beaver Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.7 m) and a deck 35 ft wide.

Who owns Bent Oak HWY over Beaver Creek?

It is owned by the County Highway Agency.