US Bridges

Broadway over Depot ST & Mdot RR Cor

Good

Washtenaw County, Michigan · 0.5 MI E of Main Street · Structure no. 000000000011076

Built
2004
21 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
317 ft
4 main spans
Daily traffic
20,630
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Broadway over Depot ST & Mdot RR Cor is a prestressed concrete box beam or girders - multiple carrying Broadway over Depot ST & Mdot RR Cor in Washtenaw County, Michigan. It was built in 2004, so it is 21 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 20,630 vehicles a day, roughly 2% of them trucks, projected to reach 21,773 by 2035. The structure is 317 ft (96.5 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesBroadway
CrossesDepot ST & Mdot RR Cor
Location0.5 MI E of Main Street
RouteCity Street 0
CountyWashtenaw County
StateMichigan
Coordinates42.28764, -83.74227
Functional classUrban Other Principal Arterial

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.6 US tons
Inventory rating50 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length317 ft (96.5 m)
Longest span77 ft (23.6 m)
Deck width73 ft (22.3 m)
Roadway width49 ft (15 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,630 (2015)
Projected traffic21,773 by 2035
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$8,000 (2017 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Broadway over Depot ST & Mdot RR Cor built?

It was built in 2004, making it 21 years old in 2025.

What condition is Broadway over Depot ST & Mdot RR Cor 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 October 2023.

How much traffic does Broadway over Depot ST & Mdot RR Cor carry?

About 20,630 vehicles per day (2015 count), of which roughly 2% are trucks.

How long is Broadway over Depot ST & Mdot RR Cor?

The structure is 317 ft (96.5 m) long with a longest span of 77 ft (23.6 m) and a deck 73 ft wide.

Who owns Broadway over Depot ST & Mdot RR Cor?

It is owned by the City or Municipal Highway Agency.