US Bridges

13 MI RD FH30 over Mcduffee Creek

Fair

Newaygo County, Michigan · 8.5 MI E of Bitely · Structure no. 000000000007738

Built
1934
91 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
32 ft
2 main spans
Daily traffic
800
2000 count
Owner
County
County Highway Agency

About this bridge

13 MI RD FH30 over Mcduffee Creek is a concrete slab carrying 13 MI RD FH30 over Mcduffee Creek in Newaygo County, Michigan. It was built in 1934, so it is 91 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 800 vehicles a day, roughly 1% of them trucks, projected to reach 1,000 by 2020. The structure is 32 ft (9.7 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries13 MI RD FH30
CrossesMcduffee Creek
Location8.5 MI E of Bitely
RouteCounty Highway 6275
Coordinates43.72825, -85.69954
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating28.9 US tons
Inventory rating22.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length32 ft (9.7 m)
Longest span16 ft (4.8 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2000)
Projected traffic1,000 by 2020
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 13 MI RD FH30 over Mcduffee Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is 13 MI RD FH30 over Mcduffee 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 June 2024.

How much traffic does 13 MI RD FH30 over Mcduffee Creek carry?

About 800 vehicles per day (2000 count), of which roughly 1% are trucks.

How long is 13 MI RD FH30 over Mcduffee Creek?

The structure is 32 ft (9.7 m) long with a longest span of 16 ft (4.8 m) and a deck 28 ft wide.

Who owns 13 MI RD FH30 over Mcduffee Creek?

It is owned by the County Highway Agency.