US Bridges

Monroe Road over Ecorse Creek

Fair

Wayne County, Michigan · In Dearborn Heights · Structure no. 000000000012328

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
14,820
1989 count
Owner
City
City or Municipal Highway Agency

About this bridge

Monroe Road over Ecorse Creek is a prestressed concrete box beam or girders - multiple carrying Monroe Road over Ecorse Creek in Wayne County, Michigan. It was built in 1977, so it is 48 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 14,820 vehicles a day, roughly 10% of them trucks, projected to reach 14,820 by 2010. The structure is 35 ft (10.6 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMonroe Road
CrossesEcorse Creek
LocationIn Dearborn Heights
RouteCity Street 0
CountyWayne County
StateMichigan
Coordinates42.27146, -83.2507
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating50 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length35 ft (10.6 m)
Longest span33 ft (10 m)
Deck width55 ft (16.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,820 (1989)
Projected traffic14,820 by 2010
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$16,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Monroe Road over Ecorse Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Monroe Road over Ecorse 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 Monroe Road over Ecorse Creek carry?

About 14,820 vehicles per day (1989 count), of which roughly 10% are trucks.

How long is Monroe Road over Ecorse Creek?

The structure is 35 ft (10.6 m) long with a longest span of 33 ft (10 m) and a deck 55 ft wide.

Who owns Monroe Road over Ecorse Creek?

It is owned by the City or Municipal Highway Agency.