US Bridges

14 Mile RD over Middle Branch River

Fair

Osceola County, Michigan · Section 24/25 T19N R7W · Structure no. 000000000008639

Built
1993
32 years old
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
60
2017 count
Owner
County
County Highway Agency

About this bridge

14 Mile RD over Middle Branch River is a prestressed concrete box beam or girders - multiple carrying 14 Mile RD over Middle Branch River in Osceola 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 60 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2037. The structure is 75 ft (22.8 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries14 Mile RD
CrossesMiddle Branch River
LocationSection 24/25 T19N R7W
RouteCounty Highway 0
CountyOsceola County
StateMichigan
Coordinates44.01569, -85.10517
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating64.3 US tons
Inventory rating38.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length75 ft (22.8 m)
Longest span74 ft (22.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2017)
Projected traffic120 by 2037
Trucks10%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 14 Mile RD over Middle Branch River built?

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

What condition is 14 Mile RD over Middle Branch 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 August 2024.

How much traffic does 14 Mile RD over Middle Branch River carry?

About 60 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is 14 Mile RD over Middle Branch River?

The structure is 75 ft (22.8 m) long with a longest span of 74 ft (22.5 m) and a deck 31 ft wide.

Who owns 14 Mile RD over Middle Branch River?

It is owned by the County Highway Agency.