US Bridges

County RD 300|YEAG over US-127 NB

Fair

Roscommon County, Michigan · 2.5 MI N of M-55 · Structure no. 000000000009006

Built
1967
58 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
204 ft
4 main spans
Daily traffic
850
1988 count
Owner
State
State Highway Agency

About this bridge

County RD 300|YEAG over US-127 NB is a prestressed concrete stringer/multi-beam or girder carrying County RD 300|YEAG over US-127 NB in Roscommon County, Michigan. It was built in 1967, so it is 58 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 850 vehicles a day, roughly 2% of them trucks, projected to reach 730 by 2008. The structure is 204 ft (62.2 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesCounty RD 300|YEAG
CrossesUS-127 NB
Location2.5 MI N of M-55
RouteCounty Highway 300
CountyRoscommon County
StateMichigan
Coordinates44.3717, -84.80785
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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.4 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length204 ft (62.2 m)
Longest span40 ft (12.3 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (1988)
Projected traffic730 by 2008
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was County RD 300|YEAG over US-127 NB built?

It was built in 1967, making it 58 years old in 2025.

What condition is County RD 300|YEAG over US-127 NB 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 2023.

How much traffic does County RD 300|YEAG over US-127 NB carry?

About 850 vehicles per day (1988 count), of which roughly 2% are trucks.

How long is County RD 300|YEAG over US-127 NB?

The structure is 204 ft (62.2 m) long with a longest span of 40 ft (12.3 m) and a deck 32 ft wide.

Who owns County RD 300|YEAG over US-127 NB?

It is owned by the State Highway Agency.