US Bridges

County RD 412&414 over E Br Two Hearted River

Fair

Luce County, Michigan · Junct CO 412 414 410 435 · Structure no. 000000000005912

Built
1993
32 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
40
2016 count
Owner
County
County Highway Agency

About this bridge

County RD 412&414 over E Br Two Hearted River is a steel stringer/multi-beam or girder carrying County RD 412&414 over E Br Two Hearted River in Luce County, Michigan. It was built in 1993, so it is 32 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 40 vehicles a day, projected to reach 200 by 2036. The structure is 65 ft (19.8 m) long and 32 ft wide. If it were closed, the detour would be 51 mi (82 km).

Location

Open in Google Maps
CarriesCounty RD 412&414
CrossesE Br Two Hearted River
LocationJunct CO 412 414 410 435
RouteCounty Highway 4882
CountyLuce County
StateMichigan
Coordinates46.64196, -85.47899
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span61 ft (18.6 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2016)
Projected traffic200 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed51 mi (82 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 County RD 412&414 over E Br Two Hearted River built?

It was built in 1993, making it 32 years old in 2025.

What condition is County RD 412&414 over E Br Two Hearted River 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 2024.

How much traffic does County RD 412&414 over E Br Two Hearted River carry?

About 40 vehicles per day (2016 count).

How long is County RD 412&414 over E Br Two Hearted River?

The structure is 65 ft (19.8 m) long with a longest span of 61 ft (18.6 m) and a deck 32 ft wide.

Who owns County RD 412&414 over E Br Two Hearted River?

It is owned by the County Highway Agency.