US Bridges

Gibraltar Road over Waterway Canal

Good

Wayne County, Michigan · Gibraltar E/N Gibraltar · Structure no. 000000000011998

Built
2021
4 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
5,546
1989 count
Owner
City
City or Municipal Highway Agency

About this bridge

Gibraltar Road over Waterway Canal is a prestressed concrete box beam or girders - multiple carrying Gibraltar Road over Waterway Canal in Wayne County, Michigan. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,546 vehicles a day, roughly 1% of them trucks, projected to reach 6,379 by 2015. The structure is 70 ft (21.3 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesGibraltar Road
CrossesWaterway Canal
LocationGibraltar E/N Gibraltar
RouteCity Street 2057
CountyWayne County
StateMichigan
Coordinates42.09495, -83.19066
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation8: Equal to present desirable criteria
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 rating75.4 US tons
Inventory rating57.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length70 ft (21.3 m)
Longest span67 ft (20.4 m)
Deck width48 ft (14.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,546 (1989)
Projected traffic6,379 by 2015
Trucks1%
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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Gibraltar Road over Waterway Canal built?

It was built in 2021, making it 4 years old in 2025.

What condition is Gibraltar Road over Waterway Canal 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 August 2023.

How much traffic does Gibraltar Road over Waterway Canal carry?

About 5,546 vehicles per day (1989 count), of which roughly 1% are trucks.

How long is Gibraltar Road over Waterway Canal?

The structure is 70 ft (21.3 m) long with a longest span of 67 ft (20.4 m) and a deck 48 ft wide.

Who owns Gibraltar Road over Waterway Canal?

It is owned by the City or Municipal Highway Agency.