US Bridges

Warwick Road over Bean Creek

Good

Lenawee County, Michigan · 0.5 MI South of Medina RD · Structure no. 000000000005560

Built
1980
45 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
85 ft
2 main spans
Daily traffic
236
2022 count
Owner
County
County Highway Agency

About this bridge

Warwick Road over Bean Creek is a prestressed concrete box beam or girders - multiple carrying Warwick Road over Bean Creek in Lenawee County, Michigan. It was built in 1980, so it is 45 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 236 vehicles a day, roughly 8% of them trucks, projected to reach 427 by 2042. The structure is 85 ft (25.9 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesWarwick Road
CrossesBean Creek
Location0.5 MI South of Medina RD
RouteCounty Highway 4626
Coordinates41.80375, -84.25622
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.4 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length85 ft (25.9 m)
Longest span43 ft (13 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2022)
Projected traffic427 by 2042
Trucks8%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Warwick Road over Bean Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Warwick Road over Bean 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 October 2023.

How much traffic does Warwick Road over Bean Creek carry?

About 236 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Warwick Road over Bean Creek?

The structure is 85 ft (25.9 m) long with a longest span of 43 ft (13 m) and a deck 35 ft wide.

Who owns Warwick Road over Bean Creek?

It is owned by the County Highway Agency.