US Bridges

TH (beckman Road) over W Branch Chocolay River

Fair

Marquette County, Michigan · 1 MI NW of Skandia · Structure no. 000000000006617

Built
1929
96 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
40
2001 count
Owner
County
County Highway Agency

About this bridge

TH (beckman Road) over W Branch Chocolay River is a steel stringer/multi-beam or girder carrying TH (beckman Road) over W Branch Chocolay River in Marquette County, Michigan. It was built in 1929, so it is 96 years old, older 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 5 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 40 by 2020. The structure is 36 ft (10.9 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTH (beckman Road)
CrossesW Branch Chocolay River
Location1 MI NW of Skandia
RouteCounty Highway 0
CountyMarquette County
StateMichigan
Coordinates46.3841, -87.26446
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.2 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span32 ft (9.7 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2001)
Projected traffic40 by 2020
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$61,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TH (beckman Road) over W Branch Chocolay River built?

It was built in 1929, making it 96 years old in 2025.

What condition is TH (beckman Road) over W Branch Chocolay 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 2023.

How much traffic does TH (beckman Road) over W Branch Chocolay River carry?

About 40 vehicles per day (2001 count).

How long is TH (beckman Road) over W Branch Chocolay River?

The structure is 36 ft (10.9 m) long with a longest span of 32 ft (9.7 m) and a deck 22 ft wide.

Who owns TH (beckman Road) over W Branch Chocolay River?

It is owned by the County Highway Agency.