US Bridges

Old US-27 over Wolf Creek

Good

Roscommon County, Michigan · Section 15/16 T21N R4W · Structure no. 000000000009031

Built
1935
90 years old, rebuilt 2008
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,276
2020 count
Owner
County
County Highway Agency

About this bridge

Old US-27 over Wolf Creek is a prestressed concrete box beam or girders - multiple carrying Old US-27 over Wolf Creek in Roscommon County, Michigan. It was built in 1935 and reconstructed in 2008, so it is 90 years old, older 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 1,276 vehicles a day, roughly 5% of them trucks, projected to reach 1,973 by 2042. The structure is 40 ft (12.2 m) long and 37 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesOld US-27
CrossesWolf Creek
LocationSection 15/16 T21N R4W
RouteCounty Highway 0
Coordinates44.20954, -84.79167
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 rating107.1 US tons
Inventory rating62.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width37 ft (11.4 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,276 (2020)
Projected traffic1,973 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Old US-27 over Wolf Creek built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2008.

What condition is Old US-27 over Wolf Creek 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 June 2024.

How much traffic does Old US-27 over Wolf Creek carry?

About 1,276 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Old US-27 over Wolf Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 37 ft wide.

Who owns Old US-27 over Wolf Creek?

It is owned by the County Highway Agency.