US Bridges

Ryan Road over Red Run Drain

Fair

Macomb County, Michigan · 0.37 MI S of 14 MI RD · Structure no. 000000000006435

Built
1991
34 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
126 ft
3 main spans
Daily traffic
25,900
2009 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ryan Road over Red Run Drain is a prestressed concrete box beam or girders - multiple carrying Ryan Road over Red Run Drain in Macomb County, Michigan. It was built in 1991, so it is 34 years old, younger 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 25,900 vehicles a day, roughly 3% of them trucks, projected to reach 25,900 by 2031. The structure is 126 ft (38.4 m) long and 72 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRyan Road
CrossesRed Run Drain
Location0.37 MI S of 14 MI RD
RouteCity Street 2058
Coordinates42.52934, -83.06827
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length126 ft (38.4 m)
Longest span42 ft (12.8 m)
Deck width72 ft (22 m)
Roadway width59 ft (18 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,900 (2009)
Projected traffic25,900 by 2031
Trucks3%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ryan Road over Red Run Drain built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ryan Road over Red 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 October 2023.

How much traffic does Ryan Road over Red Run Drain carry?

About 25,900 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Ryan Road over Red Run Drain?

The structure is 126 ft (38.4 m) long with a longest span of 42 ft (12.8 m) and a deck 72 ft wide.

Who owns Ryan Road over Red Run Drain?

It is owned by the City or Municipal Highway Agency.