US Bridges

Old Beechwood RD over So Branch Iron River

Good

Iron County, Michigan · NE Cor Sec 24 T43N R36W · Structure no. 000000000004203

Built
2003
22 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
50
2002 count
Owner
County
County Highway Agency

About this bridge

Old Beechwood RD over So Branch Iron River is a prestressed concrete box beam or girders - multiple carrying Old Beechwood RD over So Branch Iron River in Iron County, Michigan. It was built in 2003, so it is 22 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 20% of them trucks, projected to reach 70 by 2020. The structure is 46 ft (14 m) long and 28 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesOld Beechwood RD
CrossesSo Branch Iron River
LocationNE Cor Sec 24 T43N R36W
RouteCounty Highway 0
Coordinates46.11542, -88.74519
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating35.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2002)
Projected traffic70 by 2020
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Old Beechwood RD over So Branch Iron River built?

It was built in 2003, making it 22 years old in 2025.

What condition is Old Beechwood RD over So Branch Iron River 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 September 2024.

How much traffic does Old Beechwood RD over So Branch Iron River carry?

About 50 vehicles per day (2002 count), of which roughly 20% are trucks.

How long is Old Beechwood RD over So Branch Iron River?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 28 ft wide.

Who owns Old Beechwood RD over So Branch Iron River?

It is owned by the County Highway Agency.