US Bridges

E Elm Avenue over Mason Run Drain

Fair

Monroe County, Michigan · In Monroe · Structure no. 000000000007406

Built
1927
98 years old, rebuilt 1998
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
53 ft
1 main span
Daily traffic
5,435
1996 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Elm Avenue over Mason Run Drain is a steel stringer/multi-beam or girder carrying E Elm Avenue over Mason Run Drain in Monroe County, Michigan. It was built in 1927 and reconstructed in 1998, so it is 98 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.

It carries about 5,435 vehicles a day, roughly 21% of them trucks, projected to reach 8,000 by 2016. The structure is 53 ft (16.3 m) long and 56 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

CarriesE Elm Avenue
CrossesMason Run Drain
LocationIn Monroe
RouteCity Street 0
Coordinates41.9027, -83.35846
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length53 ft (16.3 m)
Longest span50 ft (15.1 m)
Deck width56 ft (17.1 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,435 (1996)
Projected traffic8,000 by 2016
Trucks21%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 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 E Elm Avenue over Mason Run Drain built?

It was built in 1927, making it 98 years old in 2025. It was reconstructed in 1998.

What condition is E Elm Avenue over Mason Run Drain 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 July 2024.

How much traffic does E Elm Avenue over Mason Run Drain carry?

About 5,435 vehicles per day (1996 count), of which roughly 21% are trucks.

How long is E Elm Avenue over Mason Run Drain?

The structure is 53 ft (16.3 m) long with a longest span of 50 ft (15.1 m) and a deck 56 ft wide.

Who owns E Elm Avenue over Mason Run Drain?

It is owned by the City or Municipal Highway Agency.