US Bridges

Allen Road over Brownstown Creek

Good

Wayne County, Michigan · Brownstown S/Vreeland · Structure no. 000000000012184

Built
2020
5 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
14,720
2018 count
Owner
County
County Highway Agency

About this bridge

Allen Road over Brownstown Creek is a concrete culvert carrying Allen Road over Brownstown Creek in Wayne County, Michigan. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,720 vehicles a day, roughly 8% of them trucks, projected to reach 16,430 by 2039. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAllen Road
CrossesBrownstown Creek
LocationBrownstown S/Vreeland
RouteCounty Highway 2057
CountyWayne County
StateMichigan
Coordinates42.10411, -83.22484
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.3 US tons
Inventory rating61.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length26 ft (7.8 m)
Longest span26 ft (7.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,720 (2018)
Projected traffic16,430 by 2039
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 Allen Road over Brownstown Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is Allen Road over Brownstown Creek 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 August 2024.

How much traffic does Allen Road over Brownstown Creek carry?

About 14,720 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Allen Road over Brownstown Creek?

The structure is 26 ft (7.8 m) long with a longest span of 26 ft (7.8 m).

Who owns Allen Road over Brownstown Creek?

It is owned by the County Highway Agency.