US Bridges

Gardendale M1521 over Unnamed Stream

Good

Montgomery County, Ohio · .5 MI W of Gettysburg Ave · Structure no. 5765897

Built
1993
32 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
44 ft
1 main span
Daily traffic
1,390
2017 count
Owner
County
County Highway Agency

About this bridge

Gardendale M1521 over Unnamed Stream is a steel stringer/multi-beam or girder carrying Gardendale M1521 over Unnamed Stream in Montgomery County, Ohio. It was built in 1993, so it is 32 years old, younger than the Ohio average of 47.3 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 1,390 vehicles a day, roughly 4% of them trucks, projected to reach 1,929 by 2037. The structure is 44 ft (13.4 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesGardendale M1521
CrossesUnnamed Stream
Location.5 MI W of Gettysburg Ave
RouteCity Street M1521
CountyMontgomery County
StateOhio
Coordinates39.76737, -84.26221
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20 + Mod
Structure length44 ft (13.4 m)
Longest span39 ft (11.9 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,390 (2017)
Projected traffic1,929 by 2037
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Gardendale M1521 over Unnamed Stream built?

It was built in 1993, making it 32 years old in 2025.

What condition is Gardendale M1521 over Unnamed Stream 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 May 2024.

How much traffic does Gardendale M1521 over Unnamed Stream carry?

About 1,390 vehicles per day (2017 count), of which roughly 4% are trucks.

How long is Gardendale M1521 over Unnamed Stream?

The structure is 44 ft (13.4 m) long with a longest span of 39 ft (11.9 m) and a deck 36 ft wide.

Who owns Gardendale M1521 over Unnamed Stream?

It is owned by the County Highway Agency.