US Bridges

King Road over Blakely Drain

Poor

Wayne County, Michigan · Rvrvw/Trentone/Allen · Structure no. 000000000012015

Built
1933
92 years old
Condition
Poor
inspected November 2024
Type
Tee Beam
Concrete
Length
38 ft
1 main span
Daily traffic
14,486
1996 count
Owner
County
County Highway Agency

About this bridge

King Road over Blakely Drain is a concrete tee beam carrying King Road over Blakely Drain in Wayne County, Michigan. It was built in 1933, so it is 92 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 14,486 vehicles a day, roughly 3% of them trucks, projected to reach 15,038 by 2015. The structure is 38 ft (11.5 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesKing Road
CrossesBlakely Drain
LocationRvrvw/Trentone/Allen
RouteCounty Highway 2057
Coordinates42.15527, -83.21673
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating39.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length38 ft (11.5 m)
Longest span34 ft (10.3 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,486 (1996)
Projected traffic15,038 by 2015
Trucks3%
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 King Road over Blakely Drain built?

It was built in 1933, making it 92 years old in 2025.

What condition is King Road over Blakely Drain in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does King Road over Blakely Drain carry?

About 14,486 vehicles per day (1996 count), of which roughly 3% are trucks.

How long is King Road over Blakely Drain?

The structure is 38 ft (11.5 m) long with a longest span of 34 ft (10.3 m) and a deck 36 ft wide.

Who owns King Road over Blakely Drain?

It is owned by the County Highway Agency.