US Bridges

Gibraltar Road over Brownstown Creek

Poor

Wayne County, Michigan · Gibraltar W/Jefferson · Structure no. 000000000011992

Built
1976
49 years old
Condition
Poor
inspected November 2024
Type
Slab
Concrete
Length
90 ft
3 main spans
Daily traffic
9,406
1996 count
Owner
County
County Highway Agency

About this bridge

Gibraltar Road over Brownstown Creek is a concrete slab carrying Gibraltar Road over Brownstown Creek in Wayne County, Michigan. It was built in 1976, so it is 49 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 9,406 vehicles a day, roughly 2% of them trucks, projected to reach 13,450 by 2015. The structure is 90 ft (27.4 m) long and 52 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesGibraltar Road
CrossesBrownstown Creek
LocationGibraltar W/Jefferson
RouteCity Street 2057
CountyWayne County
StateMichigan
Coordinates42.09531, -83.211
Functional classUrban Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length90 ft (27.4 m)
Longest span33 ft (10 m)
Deck width52 ft (15.9 m)
Roadway width49 ft (14.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,406 (1996)
Projected traffic13,450 by 2015
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Brownstown Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Gibraltar Road over Brownstown Creek 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 Gibraltar Road over Brownstown Creek carry?

About 9,406 vehicles per day (1996 count), of which roughly 2% are trucks.

How long is Gibraltar Road over Brownstown Creek?

The structure is 90 ft (27.4 m) long with a longest span of 33 ft (10 m) and a deck 52 ft wide.

Who owns Gibraltar Road over Brownstown Creek?

It is owned by the County Highway Agency.