US Bridges

Weston RD over Bear Creek

Fair

Lenawee County, Michigan · 0.25 MI West of Pence HWY · Structure no. 000000000005556

Built
1962
63 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
996
2012 count
Owner
County
County Highway Agency

About this bridge

Weston RD over Bear Creek is a prestressed concrete box beam or girders - multiple carrying Weston RD over Bear Creek in Lenawee County, Michigan. It was built in 1962, so it is 63 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 5 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 996 vehicles a day, roughly 3% of them trucks, projected to reach 1,500 by 2031. The structure is 36 ft (11 m) long and 28 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesWeston RD
CrossesBear Creek
Location0.25 MI West of Pence HWY
RouteCounty Highway 4608
Coordinates41.77197, -83.96385
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating35.1 US tons
Inventory rating27.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span35 ft (10.6 m)
Deck width28 ft (8.4 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic996 (2012)
Projected traffic1,500 by 2031
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Weston RD over Bear Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Weston RD over Bear 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 March 2024.

How much traffic does Weston RD over Bear Creek carry?

About 996 vehicles per day (2012 count), of which roughly 3% are trucks.

How long is Weston RD over Bear Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.6 m) and a deck 28 ft wide.

Who owns Weston RD over Bear Creek?

It is owned by the County Highway Agency.