US Bridges

County Road 407 over Dawson Creek

Fair

Luce County, Michigan · 17 Mi.N. of Newberry · Structure no. 000000000005914

Built
1983
42 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
420
2016 count
Owner
County
County Highway Agency

About this bridge

County Road 407 over Dawson Creek is a prestressed concrete box beam or girders - multiple carrying County Road 407 over Dawson Creek in Luce County, Michigan. It was built in 1983, so it is 42 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 420 vehicles a day, projected to reach 800 by 2036. The structure is 32 ft (9.7 m) long and 38 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

Open in Google Maps
CarriesCounty Road 407
CrossesDawson Creek
Location17 Mi.N. of Newberry
RouteCounty Highway 4803
CountyLuce County
StateMichigan
Coordinates46.54334, -85.59117
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating52.9 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length32 ft (9.7 m)
Longest span25 ft (7.6 m)
Deck width38 ft (11.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2016)
Projected traffic800 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Road 407 over Dawson Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is County Road 407 over Dawson Creek 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 Road 407 over Dawson Creek carry?

About 420 vehicles per day (2016 count).

How long is County Road 407 over Dawson Creek?

The structure is 32 ft (9.7 m) long with a longest span of 25 ft (7.6 m) and a deck 38 ft wide.

Who owns County Road 407 over Dawson Creek?

It is owned by the County Highway Agency.