US Bridges

S Gibraltar over Frank & Poet Drain

Good

Wayne County, Michigan · Gibraltar E/Jefferson · Structure no. 000000000011994

Built
1992
33 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
27 ft
1 main span
Daily traffic
2,929
1996 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Gibraltar over Frank & Poet Drain is a concrete culvert carrying S Gibraltar over Frank & Poet Drain in Wayne County, Michigan. It was built in 1992, so it is 33 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,929 vehicles a day, roughly 1% of them trucks, projected to reach 1,751 by 2015. The structure is 27 ft (8.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS Gibraltar
CrossesFrank & Poet Drain
LocationGibraltar E/Jefferson
RouteCity Street 2057
Coordinates42.08783, -83.20002
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating50 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length27 ft (8.3 m)
Longest span24 ft (7.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,929 (1996)
Projected traffic1,751 by 2015
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S Gibraltar over Frank & Poet Drain built?

It was built in 1992, making it 33 years old in 2025.

What condition is S Gibraltar over Frank & Poet Drain 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 S Gibraltar over Frank & Poet Drain carry?

About 2,929 vehicles per day (1996 count), of which roughly 1% are trucks.

How long is S Gibraltar over Frank & Poet Drain?

The structure is 27 ft (8.3 m) long with a longest span of 24 ft (7.4 m).

Who owns S Gibraltar over Frank & Poet Drain?

It is owned by the City or Municipal Highway Agency.