US Bridges

Austin ST over N Br Ecorse River

PoorPosted for load

Wayne County, Michigan · In Lincoln Park · Structure no. 000000000012505

Built
1968
57 years old
Condition
Poor
inspected August 2024
Type
Slab
Concrete
Length
52 ft
3 main spans
Daily traffic
750
1984 count
Owner
City
City or Municipal Highway Agency

About this bridge

Austin ST over N Br Ecorse River is a concrete slab carrying Austin ST over N Br Ecorse River in Wayne County, Michigan. It was built in 1968, so it is 57 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 750 vehicles a day, roughly 2% of them trucks, projected to reach 750 by 2010. The structure is 52 ft (15.8 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesAustin ST
CrossesN Br Ecorse River
LocationIn Lincoln Park
RouteCity Street 0
Coordinates42.25666, -83.1663
Functional classUrban Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.8 US tons
Inventory rating32.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length52 ft (15.8 m)
Longest span17 ft (5.1 m)
Deck width46 ft (14 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (1984)
Projected traffic750 by 2010
Trucks2%
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 Austin ST over N Br Ecorse River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Austin ST over N Br Ecorse River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Austin ST over N Br Ecorse River carry?

About 750 vehicles per day (1984 count), of which roughly 2% are trucks.

How long is Austin ST over N Br Ecorse River?

The structure is 52 ft (15.8 m) long with a longest span of 17 ft (5.1 m) and a deck 46 ft wide.

Who owns Austin ST over N Br Ecorse River?

It is owned by the City or Municipal Highway Agency.