US Bridges

Horse Island Drive over Horse Isl & Adams DR Byu

PoorPosted for load

Wayne County, Michigan · East of Adams · Structure no. 000000000012495

Built
1925
100 years old
Condition
Poor
inspected August 2024
Type
Arch - Deck
Concrete
Length
46 ft
1 main span
Daily traffic
350
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Horse Island Drive over Horse Isl & Adams DR Byu is a concrete arch - deck carrying Horse Island Drive over Horse Isl & Adams DR Byu in Wayne County, Michigan. It was built in 1925, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 350 vehicles a day, roughly 1% of them trucks, projected to reach 350 by 2041. The structure is 46 ft (14 m) long and 23 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

Open in Google Maps
CarriesHorse Island Drive
CrossesHorse Isl & Adams DR Byu
LocationEast of Adams
RouteCity Street 0
CountyWayne County
StateMichigan
Coordinates42.08674, -83.18614
Functional classUrban Local

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
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 inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating14.8 US tons
Inventory rating9 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length46 ft (14 m)
Longest span40 ft (12.2 m)
Deck width23 ft (7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2021)
Projected traffic350 by 2041
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$900,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Horse Island Drive over Horse Isl & Adams DR Byu built?

It was built in 1925, making it 100 years old in 2025.

What condition is Horse Island Drive over Horse Isl & Adams DR Byu 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 August 2024.

How much traffic does Horse Island Drive over Horse Isl & Adams DR Byu carry?

About 350 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Horse Island Drive over Horse Isl & Adams DR Byu?

The structure is 46 ft (14 m) long with a longest span of 40 ft (12.2 m) and a deck 23 ft wide.

Who owns Horse Island Drive over Horse Isl & Adams DR Byu?

It is owned by the City or Municipal Highway Agency.