US Bridges

Coppermine Passage over Willow Creek Branch

Good

Allen County, Indiana · 0.23 MI E SR3 · Structure no. 0200685

Built
2021
4 years old
Condition
Good
inspected June 2024
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
34 ft
1 main span
Daily traffic
600
2021 count
Owner
County
County Highway Agency

About this bridge

Coppermine Passage over Willow Creek Branch is a aluminum, wrought iron, or cast iron culvert carrying Coppermine Passage over Willow Creek Branch in Allen County, Indiana. It was built in 2021, so it is 4 years old, younger than the Indiana average of 46.6 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 835 by 2041. The structure is 34 ft (10.5 m) long and 58 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCoppermine Passage
CrossesWillow Creek Branch
Location0.23 MI E SR3
RouteCounty Highway 0
StateIndiana
Coordinates41.21705, -85.16706
Functional classRural Minor Collector

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.9 US tons
Inventory rating40.3 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length34 ft (10.5 m)
Longest span28 ft (8.5 m)
Deck width58 ft (17.8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2021)
Projected traffic835 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Coppermine Passage over Willow Creek Branch built?

It was built in 2021, making it 4 years old in 2025.

What condition is Coppermine Passage over Willow Creek Branch 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 June 2024.

How much traffic does Coppermine Passage over Willow Creek Branch carry?

About 600 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Coppermine Passage over Willow Creek Branch?

The structure is 34 ft (10.5 m) long with a longest span of 28 ft (8.5 m) and a deck 58 ft wide.

Who owns Coppermine Passage over Willow Creek Branch?

It is owned by the County Highway Agency.