US Bridges

Gibraltar Road over Silver Creek

FairPosted for load

Wayne County, Michigan · Flatrocke/Telegraph · Structure no. 000000000011991

Built
1928
97 years old, rebuilt 1974
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
11,804
1992 count
Owner
County
County Highway Agency

About this bridge

Gibraltar Road over Silver Creek is a concrete culvert carrying Gibraltar Road over Silver Creek in Wayne County, Michigan. It was built in 1928 and reconstructed in 1974, so it is 97 years old, older 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. Its operating status is: posted for load restriction.

It carries about 11,804 vehicles a day, roughly 2% of them trucks, projected to reach 13,575 by 2015. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesGibraltar Road
CrossesSilver Creek
LocationFlatrocke/Telegraph
RouteCounty Highway 2057
CountyWayne County
StateMichigan
Coordinates42.09457, -83.2751
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.1 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,804 (1992)
Projected traffic13,575 by 2015
Trucks2%
Lanes on structure4
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 Gibraltar Road over Silver Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1974.

What condition is Gibraltar Road over Silver 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 February 2025.

How much traffic does Gibraltar Road over Silver Creek carry?

About 11,804 vehicles per day (1992 count), of which roughly 2% are trucks.

How long is Gibraltar Road over Silver Creek?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m).

Who owns Gibraltar Road over Silver Creek?

It is owned by the County Highway Agency.